>>714731170
The entire time they're leaving Alexandria she's pensive and doesn't like that everyone is staying behind for her sake because she fucked up. Moreover, if he were in the same position Zidane would have done the same thing. Hell, he did do the same thing when he ditched Tantalus to go help Dagger in the first place.
They are emotional characters who do things based on how they feel, which you struggle to understand because you are autistic.