The people that are homophobic are the ones with the problem not you so you really dont need to stress about it, i'm not gay but i once had a close relationship with a friend simply because we got on so well and spent time together just goofing around and having a laugh, around six years ago in early high school that i'd always be thinking about that friendship and how special it felt, it made me realise that its the person/soul you connect with can have an impact on the human psyche ...
ever watched friends and joey and chandler were really close, it was like that because i remember often thinking if my friend was a female i'd probably have asked out, weird i know, he even wanted to kiss one time which for me was a freak-out because i really dont feel any attraction to men in general but in this particular case it was a possible exception but i did refuse ...
nothing like this has occured since and i'm a straight person but it awakened me to understand that depending on circumstances and environment things like that can have an influence that can be out of control, two people can click no matter what gender/agenda and it can happen to any person, potentially, for me it was because of the relationship ...
maybe talk to those people and try to instill in their heads that you are normal, the same person as before, its normal in todays society...
the problem you'll find is the conflict of societies norms and expectations that most people grow up thinking that there are ways of living life that is set-in-stone and rules that people must follow to keep reputations in tact, its rare but great to be in the company of people that have no hang-ups or prejudices to the choices of the individual ..