Originally Posted by bassman
Yeah I thought she could have kept both too, lol.
She could have, sure, Batman is rich enough to have multiple women in his life.
His actions also clearly indicate he really isn't attached to her either, willing to leave during adversity or when something cool comes along. The fact that she was upset at him for being so cavalier suggests she is investing more into their relationship than he is since he only returns because the other party is boring.