Clases with my ex

classes are starting again tomorrow, and I'm gonna see my ex in some of them, I don't want to but at the same time I do, obviously I can not tell this to my friends, otherwise they will kick my ass. I say to myself that I don't feel anything, that my feelings for him have died, well just the affection that you have for a friend, but that's it. I don't know but I think tomorrow will be a little bit awkward.

Sorry if I wrote something wrong, I'm trying to improve my English by doing this and also help me to take out this from my system.