It's just really weird. I could have absolutely no interest in sex or anything sexual what so ever with a guy or girl, but when they start kissing or touching the back of neck I get hard instantly and spring on them like a panther who hasn't rooted in ten years. And when someone plays with the back ends of my hair at the base of my neck while sucking on the side..... Is this normal ? Are there parts in your body that just make you go HOLY SHIT ! when something starts kissing or touching them ? The neck area is my one. And my arse.