Im straight.
I have a girlfriend.
I just cant get enough of this site though.
People talking about group masterbation or even watch other guys or suck other guys.
Also shemales or the thought or wearing panties.It just makes me so hard.
What do I do watch try and if so how and where or what steps do I take.
so hard just writing this thinking or what the answers could be.

Welcome to the REAL world.

Everyone has had those same feeling at some point in their lives.
There is no shame in being curious or if what you're seeing arouses you.
Just don't let any oppertunities pass you by,you may regret it later.

I want an opportunity I think thats the problem

My only advice is to make sure that you give yourself time to grow into your desires. A little restraint is probably good at first so that you don't do things you later regret, but indulging yourself with a JO session (safety first) is harmless and can help you to understand what it is you really want. Maybe JO is enough. Maybe that is not enough and you want to do more.

Those first few encounters are like having a branding iron tattooing your brain: you will never forget them, so make them good memories and ones you will be glad you had, not ones you even marginally regret.