Have you ever watched parents try to text with their children? One hilarious type of misunderstanding goes like this:
Parent: I am waiting for you in the car.
Child: r u mad?
Parent: I am not mad.
Parent: I am telling you I am waiting.
Child: what?????
The poor mom or dad doesn’t understand one of the cardinal rules of texting, which is that you don’t use periods, period. Not unless you want to come off as cold, angry or passive-aggressive.
trend piece in the the New York Times on Friday touched on this fascinating development — which, incidentally, has been brewing for at least two decades, ever since kids were logging onto AOL Instant Messenger. The period is no longer how we finish our sentences. In texts and online chats, it has been replaced by the simple line break.
You just hit send
Your words end up on a new line
a visual indication
that you have started
a new sentence,
phrase,
clause,
or unit of meaning
Of course, this practice far predates the instant message. Poets have been using line breaks for basically forever. (In the right light, you might even say a text conversation has some of the same exuberant, associative, overlapping qualities of say, an e. e. cummings poem.) But we can credit the text and the IM for making the line break the default method of  punctuation in the 21st century.
The period, meanwhile, has become the evil twin of the exclamation point. It’s now an optional mark that adds emphasis — but a nasty, dour sort of emphasis. “It is not necessary to use a period in a text message, so to make something explicit that is already implicit makes a point of it,” Geoffrey Nunberg, a linguist at the University of California at Berkeley, told the New York Times.
A few years ago, Ben Crair at the New Republic wrote a hilarious history of the period in age of instant messaging. “The period was always the humblest of punctuation marks,” he began. “Recently, however, it’s started getting angry.” Crair noticed that in his text conversations, the period had stopped serving any grammatical purpose. Instead, it was mostly being used to express a certain tone or emotion. And that emotion was anger.
The period has essentially become a stylistic device, which is a fascinating development because it recalls the freewheeling origins of Western punctuation.
Early Greek and Latin texts often lacked any kind of punctuation. Theydidn’t even have spacesbetween the words. The reader just had to figure it out. Later on, punctuation and spacing were added to help guide novice readers.
There weren’t many rules at first. Punctuation was largely an oratorical tool, a guide to help people read a text aloud. Scholars would mark down wherever they thought it would be good for the reader to take a breath, or to adjust the tone of their voice. They would also make marks where they anticipated that people might get confused, wherever that was in the text. They didn’t end every sentence with punctuation if they thought the meaning was already clear.
For instance · medieval scribes often used something called the punctus · a dot that floated between words · The punctus was an all-purpose tool · It could separate complete sentences · functioning like a medieval period · It could also act like a comma · to separate different clauses within a sentence.
But the punctus was much more versatile than anything we have in modern written English. Scribes would liberally sprinkle punctus marks onto a sentence if they felt they would help readers understand better. Here’s an example from a medieval math text, in which the author used punctus marks to cordon off words into basic groups. (I’ve attempted to modernize some of the Middle English spelling.)
Thes · ix figures and nowmbres · eche · rekenyd · by himself · is clepid numerus digitus
These · nine figures and numbers · each · reckoned · by himself · is called numerical digits
This usage may seem weird, but we employ hyphens to accomplish a similar purpose today. “The medium green car” is an ambiguous phrase. Is the color medium-green, or is the car a medium-size car? Putting in a hyphen — “The medium-green car” — eliminates that confusion.  In natural speech, we would distinguish between the two meaning by adding subtle pauses in different places. To convey the same information in medieval writing, a scribe could have grouped the words using punctus marks: “The · medium green · car.”
With the invention of the printing press and the rise of mass publishing, both the punctuation and the spelling of written English quickly became standardized. People once had the freedum too spel wurds any wey they liked. Now there were rules for spelling.
Likewise, people created rules for punctuation. Punctuation reformers demanded that the marks be placed systematically, in accordance with the underlying structure of a sentence. You couldn’t sprinkle in punctuation just for effect, as medieval scribes did. Punctuation began to serve more a grammatical function than a rhetorical one.
This remains a difficult concept for children, who instinctually use punctuation marks in writing like they use pauses in speech. But in spoken language, pauses are often stylistic, and the pauses don’t always line up with the grammar of what we’re saying. For instance, consider the following run-on sentence:
I love my cat, I can’t be without her.
This is a non-grammatical use of the comma, but it conveys something important. You get a sense of enthusiasm. When we get excited, the pauses between our sentences shrink. We speak in run-ons. There are ways of notating this with modern punctuation. A period feels too weighty, but you could a semicolon or a dash:
I love my cat; I can’t be without her.
I love my cat — I can’t be without her.

come off

1(Of an action) succeed; be accomplished:this was a bold experiment which did not come off
1.1Fare in a specified way in a contest:Geoffrey always came off worse in an argument
2Become detached or be detachable from something:a wheel came off the tractor
2.1Fall from a horse or cycle that one is riding:the horse reared up and Harriet came off
3Stop taking or being addicted to (a drug or form of medication):I think I’ll come off the pillshe works with people coming off heroin
4British informal Have an orgasm.


sprinkle 

Pronunciation: /ˈsprɪŋk(ə)l/ 

VERB

1[WITH OBJECT AND ADVERBIAL] Cover (an object or surface) with small drops or particles of a substance:I sprinkled the floor with water
1.1Scatter or pour (small drops or particles of a substance) over an object or surface:sprinkle sesame seeds over the top
1.2Distribute or disperse something randomly or irregularly throughout (something):he sprinkled his conversation with quotations
1.3Place or attach (a number of things) at irregularly spaced intervals:a dress with little daisies sprinkled all over it
2[NO OBJECT] (it sprinklesit is sprinkling, etc.) North American Rain very lightly:it began to sprinkle

NOUN

1A small quantity or amount of something scattered over an object or surface:a generous sprinkle of pepperfigurative fiction with a sprinkle of fact
2[IN SINGULAR] North American A light rain:the rain grew from a mere sprinkle to a respectable drizzle
3(sprinkles) chiefly North American Tiny sugar strands and balls used for decorating cakes and desserts.

Origin

Late Middle English: perhaps from Middle Dutch sprenkelen.

instinctual

Pronunciation: /ɪnˈstɪŋ(k)ʃʊəl/ 

ADJECTIVE

Relating to or denoting an innate, typically fixed pattern of behaviour; based on instinct:an instinctual survival responseinstinctual maternal behaviour

Derivatives

instinctually

Pronunciation: /-ˈstɪŋ(k)tjʊəli/ 
ADVERB

run-on 2

ADJECTIVE

Denoting a line of verse in which a sentence is continued without a pause beyond the end of a line, couplet, or stanza.
Example sentences
  • It is composed in five sweeping stanzaic movements, each taking the form of a sonnet, but with complex musical patterns of internal rhyme and run-on lines, culminating in a breathless series of cries or questions.
  • Hugo's rallying forces promulgated a new dramatic style capable of expressing not only the supple laws of nature through the run-on line, but above all the unruly spirit of Shakespeare through the alliance of tragic and comic genres.
  • If they venture rhyme, that most conspicuous auditory technique of verse, they often play it down as well by burying it in run-on lines or substituting slant and half-rhymes.