It doesn't mean anything bad. She loves them because they are her friends and is not afraid to tell them that. There really is no need to worry about it, it doesn't mean that she is being unfaithful to you.
Text her back.
If a guy tells his friends that his girlfriend is quality, he means that she is a great girlfriend.
Don't date her.If they break up wait when the guy is over her then you can date her.If the guy has a problem with it just ignore him.
OK, this is hard to tell you but you may remind him of his crush or of his ex-girlfriend. From: C.A. Cupid
you can tell him, or his girlfriend if you are friends with her
It shouldn't be if the guy loves her back.
awe! love is in the air! My 12 year old texts and chats with his girlfriend. Nice things like "You are so awesome!" is LOVE. "You are such a great guy" is LOVE. Holding a hand can be a big sign of love.
it means he want to show off to his friends he has a girlfriend
Cheating
Flip your hair and laugh with friends.
ask him, or ask his friends
Your friends are right. Ask them why they think he still has a thing for you. You will probably get some interesting ideas.