if she keeps asking you about relationship for one, kinda like a wing man, and 2nd when they hang out with you more than they do the boyfriend. those are probably to ways of finding out
If the man has diabetes.
She likes you and that other guy and her boyfriend but does not know who she likes best.
The most appropriate way is simply to ask her.
Then she has to choose you or her boyfriend.
If u like a girl who already has a boyfriend but you dont know if she likes you or know,the first thing you have to do is that you will have to make friendship with that girl and if she is already your friend,then increase your friendship and one day confidently ask her that what does she feel about you..
I would confront the girl or warn your boyfriend
a way to know if he likes another girl is if he keeps looking at her and smiling also if he talks about her with his friends.
um the way she looks at u or somethin
if i where you i would tell the girl that likes that boy that he has a girlfriend.that is what i would do.
Honestly, if ur a good boyfriend. and you honestly know it and knows that she really likes you too, then ALWAYS is my answer.
She textes u everyday & and starts asking about ur life
Normally she will flirt with you, and want to be around you a lot.