Help! My gay best friend is cheating on me

My gay best friend is cheating on me with another woman. I saw him with her the other day and now I’m prostrate with grief and shock.

I don’t think I will ever be able to bring myself to forgive him. Even if he begged me to come back to him, we can never be the way we were. I don’t even know how to tell him I know about the affair. He is carrying on as if he doesn’t know that I have found out.

All I keep thinking is: ‘How could he do this to me? How? After everything we have been through? The long discussions about Botox, the episodes of Kath & Kim, the endless gossiping…I wouldn’t mind so much, but the gay marriage law was already making it harder than ever for sad, forty-something single women like me to hang on to their gay best friends.

Those of us who rely on gay men need them to be as desperate and lonely as we are, and to feel as much a social outcast. But now they’ve all gone a bundle on the idea of a church wedding, settling down, raising kids. And they just don’t need us like they used to.

One of my oldest gay male friends has lost all interest in me since the coalition brought in equal marriage rights. We used to have cosy dinners à deux once a week in Chelsea, but now we never see each other. Instead of him calling me every other night for long, meandering, intellectual conversations about life, the universe and everything, all he ever calls to tell me now is how much he is looking forward to meeting someone special and settling down to raise a family.