i am confused

hey guys, i really need ur advice on dis.
rite in naija i had a crush on dis boi he was my friend, but i guess he had a crush on mi 2, but we didnt tell each oder, so lik six months later, i traveled to america and he left 4 london at d same time, now its more dan 4yrs since me and him talked, and i am already datin someone else. we met on facebook and we  continue our friendship, but now he asked mi out, and i kinda liked him and i said yes, but i dont knw wat 2 do, cuz i ave a bf rite here in america and i dont want to break up wit him, cuz we've been datin 4 3yrs.

wait oh....see person..why can,t you just come
Openly and ask on how u gonna dump the American dude ?
Anyway I say u should date the both
Don't let them know of each other.