I would end it with him, because it seems like he's done but is too scared to come out and say it to your face. You're better off ending it and moving on! Best of luck! :)
Talk to him about it!
Casually touch him or bump into him, put on chapstick or lick your lips while looking him in the eyes, be confident, be flirty with him. Surprise him and try new things!
No, unless he's a kid, and it's just a friendly kiss on the cheek
Most guys like a little hair left, otherwise they're reminded of children.