during this period your domain has been your bedroom, his has been the couch.
Seems like neither one of you are comfortable jumping into the other's domain. -- history, I don't care what the reasons are. for now I will agree that you don't
Time for a change up. create a safe zone. can't sleep go to the spare room pull out the sleeper sofa, when he can't sleep he may feel that you are more approachable there. Easy enough for him to ask what you are doing in there, it will be different. You don't have to tell him that you were hoping that he would find that room more comfortable to join you in. Tell him that you couldn't sleep so just decided to try something different. It is the truth.