It wasn't that long ago that a gay character in a novel was for comic relief or acted as a dire warning. Luckily, modern times gives us a far wider range of options.

Gay Characters in NaNoWriMo

Have you read any novels recently with great gay characters in them?

A good way to get the feel of authenticity in gay characters in your novel is to read a lot of gay literature. Another way is to get into some of the gay chats online.