No way man! Chloe had no "serious" relationships in the past, until we found out that she had been married. Everything else had been a fling.
And I don't think Jack is going to fake a jumping. For that, he would have to find a body, (even though killing for him is a natural instinct), and do all sort of tricks for that. Remember, he "accidentally" fell off of the helicopter. CTU can say they never found his body.
I think the next terrorist attack has to be much stronger than the Chinese trying to get Cheng back. The problem is, that the program left no clue as to what could happen next. I had an idea with previous seasons, but not this one.
US and Russia teaming up against China????