he would drop hints saying that she always does this or that and that you never did those things.... He makes sure you know about it by calling you and talking about her or somehow else letting you know they are together, without you asking.
ask him!
Ideally, you would be the boyfriend of your girlfriend. If you didn't know whether you were going out, you could always ask them.
It could be. A mutual friend is someone you and another person both know. If you and a friend both know your boyfriend/girlfriend, then your boyfriend/girlfriend would be the mutual friend.
well ask her or she will tell you
Well, they're not boyfriend and girlfriend. So, they just know each other.
When he calls you his girlfriend.
how do you know if your boyfriend has cheated
you can't unless you ask him
You know if your boyfriend is lying if he hesitates,or looks worried,or is kind of breathing fast.If you ask him any questions and he either hesitates,looks worried,or breathes fast,you know he is lying to you.Or if you just have a feeling that you shouldn't believe him.I hope my answer was help to you.Good luck!
The point of having a girlfriend or boyfriend is because life is short. Enjoy it. You need someone you can actually be yourself with. That is the person of your dreams. Take chance with them. Show them what life is about. Enjoy that person, because one day you know they will have to go. Use the time god has given you to take a chance in a realationsip.
you already answer that to your self
Start by asking him.