Prevent unwanted erection at the gym shower?!

Prevent unwanted erection at the gym shower?

Please don't make fun in your answers, this is a serious question:
I have been avoiding showeing at my gym
because I am afraid of getting an erection in front of those hot muscled guy.
I am homosexual, masculine and straight acting, muscled men turn me onnnnn very much.
I don't want to have an erection neither when I showering in front of naked men, nor in the sauna or jacuzzi, nor when I am massaging a man, nor when wrestling with someone, ....
I just want my penis to be erected when it should be.

It is VERY inconvenient to go out of the gym with my sweaty clothes every time just to avoid humiliation. I want to be normal.

Any way to control this?
Your experience, comments, and tips appreciated.

Although I am straight, I had the same problem in the military. The best solution I found was to go on and enjoy it. Most probably you do not get a full erection. The other guys think it is that size all the time. Go on flaunt it, brag about it!