Hey welcome BigMan on our Big Campus
I know what you mean.. so does most of the people around here...
I'm sure you will be comfortable here... Njoy ur stay.
I think many straight guys can relate to what you're saying. It's more a matter of how far you are willing to go with another guy. Nothing wrong with noticing another attractive guy. After all, advertisers and movie studios wouldn't use attractive guys and pay them tons of money if they didn't grab most people's attention. No one likes to look at ugly people whether you are gay or straight. It's human nature to look at anyone that is attractive.
You may want to check out this thread for more on this issue:
Hey Hey Hey! 
