Reading old messages and wondering what kind of person you were.
When autocorrect turns your message into a comedy show.
When your friend takes forever to reply, and you start to imagine their funeral.
Deleting a message and hoping nobody saw it before.
Replying with 'K' to show how much effort you're willing to put in.
Sending a risky text like a gambler with a bad poker face.
When you accidentally send a screenshot to the person you screenshotted.
Having more unread messages than unread books.