What part of the country do you live? In most places, I agree there's an anti-gay prejudice. I'm an older celibate bachelor and consider myself straight (I haven't had gay sex or relationships and don't wish to), but coworkers habitually treat me as though I'm gay which is to say they treat me badly. Coworkers will always try to find an advantage, often by means of social/sexual status rather than work performance.

Some ideas. Get out of the legal profession. Legal beagles seem to welcome conflict as a general rule. Move to a city like San Francisco. Make sure your new boss is a male before taking any potential new job.