>after I secretly saw my ex girlfriend that I refused to place boundaries on and refuse to not see Oh. So you not only failed to communicate to your lady-friend but was also imprudent enough to see this outcome.
I don't see a problem in seeing exes(if that's not a funky american idiom for having sex which). I see a problem in people exploiting fears of other people to get what they want.
So communicate this to both the parties. He kept it a secret. What will present friend think of it? Don't be a selfish idiot in a relationship.