Help ASAP I kissed with my bff after my BF cheated on me what does this mean!!!!???😱😱

So I just broke up with my BF because I am pretty sure he was cheated on me at a party and not one of my best guy friend hooked up and I think we don't want to date eachother because we are like best friends so we are not friends with benefits but I think we like one another and we like hanging and he said he thinks I am attractive and I think he is cute but like what is the situation am I am bad person for doing this and we are keep it a secret that we are friends with benefits my sis doesn't even know & I tell her everything so what do I do I like hu and ect and I think he is cute and I like hanging with him but should I not do This what do I do I don't want to be a slut is this ok to do with my best  friend that's a guy???? Help !!!Â