I'm not thinking #4 as much as maybe it's as simple as she's missing you. She maybe missing what she had.
Hard call man. But I don't see it as a jealous streak. Something else emotional is going on there.
H-36 W-38 Married 14yrs Together 17 2 Children (D12, S15) 9/20/05 - Seperated 4/23/07 - Dbomb dropped 4/25/07 - I Love you, not in love "If it's not hard, it's not worth fighting for."