depends on how he treats you right now and how easily he can get other girls.
because they r just protending to be ur bestfriend, and they alot love their boyfriend the most like my best friend i like her alot as my bff but she doesn't care about me she care about her boyfreind the most.
as a friend I'm telling you this as i care for you, but sorry to say your boyfriend is being unfaithful to you and unfortunately he is cheating.
don't worry about it. If your boyfriend really cares about you he won't care what his friend says
Break Up With Them !
Talk to her about it, if she doesn't care or try to change it, find a new friend.
Be boyfriend & girlfriend. Your friend shouldn't care because he is her OLD or EX boyfriend:-)
If you care about your boyfriend, leave the old friend alone. If you are asking, you are probably too young to date just one person. Try not having a boyfriend and just have friends (and have fun).
Be a good friend and support her and anything that goes wrong just be there for her and take care of her in need.
Whether or not you get to keep an ex-boyfriend is out of your control; however, that does not mean that you can't be his friend and support him in general and letting him know that you care about him and his future.
take great care of the dog and make sure it has a safe environment because thats your new best friend :)
Continue to be a friend. Don't tell her you love her, just go about making her know you care. Someday she will break up with her boyfriend in all likelihood and then is your time to come to the rescue.
Don't interfere, if this is a friend that you care about deeply(as a friend only of course) and try to get over the crush. But if you can't, tell your friend about how you feel about him, maybe they'll understand :D