i need advice

okay soo uhh my friend used to have a crush on this guy a while ago and now she doesnt anymore, but now i have a crush on him and i was wondering on what i should doo?? 😔 should i tell her and like apologize or should i js stop liking him? my friend doesnt really like men anymore or atleast she says she doesnt, actually she likes like two random guys who arnt this guy. So what should i doo?? 😔😔