I guess Alex is deeply inside him afraid of losing Anna to another guy because he knows that well there might be better guys than him for her. I think he would be totally lost without her. And thats why he is afraid to swap.
Me too. And I still wanna see Peter and Emma in an own appartement. Btw. I feel sorry for Mira she has to stay in guest room and is only allowed in bedroom when none of Jekas fuckbuddies are there.