crazy love...

I am engaged like almost 2 years now... and 1 time i am walking through my antie's house i see this 1 really cute guy and i feel crush to him... one day he asked my mobile number. So i give to him and he's texting me asking me on a date i am confused but i feel so happy... but he had a girlfriend too..and he said he likes me..and he ask me to be his girlfriend...i don't know what to say..because still confused..i love my fiance..and i love him too..