Not sure limiting her contact with him while he is with you is a good idea. It may come back to bite you when he is at her place... Others may know more, though.
Unfortunately, her going to the games is something you're going to have to deal with, as much as it [censored]. Just don't go throat punching her!
There are moments in this life when you are so confident in the rightness of your actions, that not even for a second do you consider the option that you might be wrong.
