This would most likely mean that you're are "the other woman", or "loose". Neither are titles to strive for.
It means he likes but has a girlfriend.
If a guy tells his friends that his girlfriend is quality, he means that she is a great girlfriend.
It simply means that the guy cares a great deal about his girlfriend.
When a man tells another man his girlfriend is lovely and is quality, he is saying she's a beautiful girlfriend.
you go up to the guy and tell him you dont mean this in a bad way but you think that his girlfriend is no good for him
That he likes you and want you to be his girlfriend.
it means that the guy or girl is with another guy or girl at the same time that they are with you
you grind on them.
The dream expresses your own emotions. It does not provide any information about the guy's thoughts or feelings, or those of his girlfriend.
It doesn't neccessarily "mean" anything. If he was asking other people out, he was likely planning to dump his girlfriend anyway.
To be his regular girlfriend.
It means he likes you and he wants you.