A one night stand would mean we have sex and then never speak to one another again.

And it's not you. I don't want to date anyone here. Forming a relationship here... I just don't think it's a good idea. I know you have your reasons to want to do it, but I have my reasons for not wanting to.

[He tries to disentangle himself from Zack a little, sliding off of him and letting him go so he can sit on the bed and look at Zack instead of holding him while straddling him.]

I don't understand it either, honestly. What's the big deal if we're good friends and sometimes sleep with one another? What's the difference? You can still romance someone. That someone just doesn't have to be me.