Agree. And that is why John may may not be completely supportive and understanding when he find's out (assuming he does) about Elizabeth having sex with her ex-fiancee. He may very well wonder just how selfless an act it was on her part. Elizabeth may even have doubts about it herself. Then if she gets pregnant from…

Regarding Joel and Julia, I get the feeling I missed something. Sex partners? Are you just referring to the multiple partners Julia had because I didn't think Joel slept with anybody while they were separated.