You are doing the right thing by filing so as to cut the shared finances STBXH is incurring with OW. I hope you can both agree to things fairly quickly before he lawyers up. Pick your battles carefully and take your L's advice.
I self served the D papers to my wife. Even though I gave her a heads up before doing that, she was in a fuming rage for a while. All the cake eating caught up to her.
Beach in Indiana? I would assume Lake Michigan is somewhat like and ocean.
