Friends? could we B-more?

Hey! i just like to asks a question. i am a white dude and i like this woman she black she Benn my friends 4 some time. i want to ask her out but i don't want to lose her respect as a friends. the bad prat is she going out with 1 of my old friends. she Sims happy but i don't know?. what should i DO!!??.