I have loved my best friend since high school. (5 years ago) He has a girlfriend but he's always teasing me and trying to sleep with me. I'm not... Show More
Most Helpful Opinion
clearly and firmly tell him what's what. You aren't going to be a mistress for him. He may also like you but while he has a girlfriend he is off limits.
Tell him that you're not comfortable with the certain act that makes you uncomfortable and tell him that you don't want to be the other woman so out of respect for the girlfriend he needs to respect those boundaries.
If this is more about you finding out if he likes you, you could just pose the question, "hey you're always teasing me and trying to sleep with me, are you just joking around or is there more to it" ... or something along those lines