He didn't deserve this. Not after everything. She was right. He'd behaved just like her father, deciding what was best for her. Letting Ross run him off, letting himself be forced into hiding. He'd needed SHIELD to keep him from getting locked away. And maybe, in his upcoming future, even that wouldn't be enough.
"You're one of the only people in the world I trust entirely. I'd never quit on you." Hide from her, maybe. But he couldn't just give up on everything they had.