Mark made a great observation. Straight men are behind on the learning curve about their cocks. And for one simple reason: Gay (and Bi) men have the advantage of getting firsthand knowledge. They don't fear getting up close and personal.
They spend more time learning to recognize physical response.
While a lot of response comes as natural knowledge, a lot can be learned by watching another man, or touching and stroking another's cock.
And, I think gay men are much more amenable to open discussion.
Come on, straight dudes, you rely on the internet to garner knowledge. If someone in your group was to ask a question - let's say, about prostate stimulation providing exquisite pleasure - you know most of you hem and haw, and stammer and stutter. Or resort to jokes and ridicule.
I think gay guys are more at ease being naked together, too. The idea seeing each other's cock isn't a big deal.
Even if someone gets a boner.
Be honest, have you had open and frank conversations with other men?