Is there something wrong with me? what do you suggest?

well i am 19 yrs old, and i had 2 boyfriends.... with my 1st bf i tought everything was great i really liked him... but with my 2nd one i dont feel the same things.. i mean i like him hes really cute and cool ... but i just dont have that feeling.... umm and he likes me but the thing is that i dont know what to do... should i break up w him? everyone tells me to stay w/ him cuz hes cute& kool but i just dont know... im confuse! well i dont know whats wrong with me.... is it that i dont have enough experience? or am i obsessed w/ my 1st bf?