Your boundaries are your own and I agree with them. I had all kinds of ideas for how your son could be allowed to go to that house but you'll have to use your imagination...
What are your plans for separation?
- m and ww in 30s - s4 - m 11 yrs, t12 -ilybinilwy ~5/16 + request for OM - bd 7/16, confirm ea and strongly suspected pa - 9/16 ww claimed to have broken contact with om