All of the people that I ever date are really sweet at first, but when my sister decides to come hangout too they end up breaking up with me because they saw her. My sister is pretty but still.
What should I do! Should I stop bringing my sister?

Well if u relly want to know take some alone time with your sister and ask her if she is luing ask your boyfriend.

I would talk to your sister about this and how you feel.

And I think that it would be fine if you stop bringing your sister to hang out. Do you mean that you take her along with you and your boyfriend? Doesn't she have her own friends she can go out with?

I think it will be better if yo'll talk to your sister.. or else you'll end up hurt and fighting just because of boys.. remember she's still your sister no mattet what.. :)

My sister used to do the same thing. Maybe because she was blonde and very outgoing? Mom gave me some great advise, "like the ones who like you." It turned out that the guys who liked me thought my sister was a pirhana fish. They didn't want to get mixed up with her at all.

I used to have all the same problems. Well, I'm a guy and when I would start to date a girl, or would want to and we would start talking, here comes my brother and off they go to have sex. He eventually stopped though after I talked to him.