[There's a moment of silence while Gai considers this. He'd do anything to keep her alive; of course he would, because she's the entire world to him. But at the same time, he also knows the pain of being the one who is left behind, and while he may want to protect her, could he really knowingly inflict that same pain on her? He isn't sure.
[Action]
Instead, he just hugs her tightly.]
Then I guess that makes us both fools.