Older song that was on 'sister sister'?

Question

it's from one of there college episodes where one of the twins falls in love with her teacher, but then realizes she still loves tyreak..

the song goes ' ive been around, but now ive found, your the only one for me..."

Answer 1

Bryan McKnight's "The Only One For Me". I'm a psycho "Sister, Sister" fanatic! LOL! And my mom has that CD. :)