S.O.S plz help anyone

ok about the ruin of the friendship... u cant just assume you wont be friends and then not go out with her cuz wut if u wont be friends bcuz she will wont to go out wiht u and u wont want to break the friendship so u will drift off cuz of that.. you have no idea if u will be friends or not until u try and see and life is about risks and the best friend does he know she likes u too i mean he should understand and i think u 2 should go out