you raise your hand to your ear, little finger and thumb sticking out when you ask a mate to call you..

you’re tempted to correct your friend’s grammar esp. there’s vs there are…

you find yourself answering simple questions with “I think there are three reasons for that. Firstly…”

eliciting from your friends…e.g.”what can beggars not be?” worse would be thinking it’s witty.

catch yourself talking like an old high school teacher: “I think you can, hur, hur!” when a student asks if they can go to the loo…