10 points/ What do i do when a girl confesses she has feelings for me and

[T.J]

she has a boyfriend? the other night i was at the pub with my mates.Usually the group of girls that come in the pub come and sit with us.With have al been friends for years now.However when i was in the pub a few night ago they didnt join us and they were constantly smiling over at us.Later in the evening one of the girls approached me and told me how this other girl had feelings for me and had for a year or so now.I thought it was a joke at first but when i went to leave the girl approached me and admitted her feelings for me.In fact she even said she might be in love with me.Now i dont know what to do.I dont want to loose her as a friend but i also want to see if there could be more to us.She is a very beautiful girl and we get on well.But what if it is all a joke , and the girls are playing a trick.Their all 23 and over , but i still dont know if they are being childish.What do you all think??