It's only two years. [Gongenzaka's technically younger than him, that argument doesn't help.]

I know that's why Nana does it. That's why I want to be able to shoulder her burdens, too, but I could never... [He gaze flickers down.] You got her to open up more than anything. I thought you two would be good for each other.

[He reaches to wipe his eyes. It doesn't stop the tears.] I want to do something worth what everyone does for me. I don't want to drag them down and hurt them and worry people instead. Why is that wrong? Why can't I do it?