“Mysteries make my head hurt” is a phrase uttered by retired Detective Joe Kenda of the Colorado Springs PD on his show on ID.
All the suspects have come up with alibis. Mysteries make my head hurt. We have to start from scratch. Back to the scene of the crime to question additional witnesses.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"