Read Penny's protection phase in her ebook.. that's all I can say Cucoon, what you're donig is sending the wrong message...
For your H's visits... YOU stay at a friend's place while your H is there.. you stay at a family member's home or a firends place... come back in teh morning ... H wants to visit his son and you want the son in his own home that's fine... but YOU don't have to BE tehre...