The Brain's Brake and How to Prevent Yourself from Sending Emails While You're Not Clear-Headed in Gmail

Call me GABA.
I'm the brain's brake. I help you not be overly excited all the time; I help you relax and go to bed, too. Alcohol makes my job much easier, I think.
Thanks!
Now try solving this math problem — fast:
›› Gmail can't stop you from writing emails when you're not your normal sharp self. It can refuse to deliver them, though, unless you demonstrate a clear head.