My friend set me up with this guy, we were at a house party and I got with him (kiss) we went back to my friends house and cuddled all night but In the morning I was sick (hungover) obviously and couldn't go back to him. Now when my friend mentions his name or if I see a photo of him regardless of what he's wearing I feel really sick in my gut. I did like someone else for like 2 years could that be a part of it? Help pls