Actually some straight men are very camp indeed, yet married with 2.2 children and all the rest of it.
You get straight camp people too, and act is the right word to use - it doesn't have to mean 'pretend', it can simply mean to function in any specific way.
Because they are straight
But actually some straight men are very camp
When I hear the word camp, I think of someone who is quite effeminate. Stuff like moisturising their skin and stuff, you know a bit like that. Metrosexual is the term.
When I say fairies, I mean those who put on a high pitched voice, and are your stereotypical flamboyant men.