I am falling in love with this guy in my class.

well i have a boyfriend for over a year..he cheated on me twice..well that i know of……so theres this guy in my class, hes like so nice to me…..treats me really nice and we get on really good..i think am falling for him but i dont know..should i tell him?…..

i feel as if i should because of what my boyfriend did on me….like sort of repay him..but then i love him 2 much..i just get urges for other people when hes really nice 2 me?