text: is it a sin? okay i have a boyfriend ( lets call him derrick) and theres this guy that i like had a crush on and liked him( lets call him sean) before i was going out with my boyfriend the sean guy liked me too ... and he kissed me . well im derricks girlfriend now but i still like sean. is that a sin? what should i do? ( me nor derrick or sean go to school together) no it is not a sin but you do need to figure out which guy you want to date before you have feelings for the other...