Rachel Feltman, in the Washington Post:
Ending your texts with a period is truly monstrous. We all know this. Grammar be darned, it just doesn’t look friendly.
It does sometimes seem stern or short, but I tend to end texts with a period due to pure muscle memory.
🗓️ December 9, 2015
🔗 The Washington Post
🏷️ Grammar
🏷️ Texting