I should take advantage of that and say more nice things about you. [Or maybe not. He doesn't want to make her think that he's still in love with her (even if he is, maybe, at least a little); that could mess up this nice friendship thing that's going on.]
What would you like to fight about? I will start preparing my arguments tonight.
[Action]
What would you like to fight about? I will start preparing my arguments tonight.