Everyone is going to fail to protect someone at some time. [Especially here. She waves him away.]

Satisfy your ego if you wish.

[Though she knows it's not really about ego. It's about pain and hopelessness and doing something to vent that feeling. And if he doesn't, he is helpless. If he does, he is still helpless. Either way--]

Don't break on my account. If you do I will never forgive you. Do you understand me, Marco?