 Even after Liz discovers that Phoebe is a gold-digger, it is only during a heart-attack-causing argument with his mother Colleen that Jack realizes that he does not love Phoebe, and calls off the engagement at the end of Season 1.Jack begins a relationship with liberal Congresswoman Celeste "CC" Cunningham (Edie Falco).In spite of their ideological differences, they are a well-matched pair and, after a period of secrecy, eventually go public.