Food for thought
It never hurts to ask.
Unless....
the person that you are talking to has grief with you and was waiting until you talk to them to give them the opportunity to false crack you in the face, and then you fall down on and everyone walks by not noticing the blood dripping down the side of your head as you lay unconsciously hoping that a sexy looking girl (or guy, whichever way you swing) comes to your rescue. In that case,..yes it hurts to ask. But I doubt that will happen.