"It's not like you have to.."

Especially in his case. Since it's not like he's just going on by passing each day doing nothing. Even now, he's still trying his best for his world.

"Um.. It's exactly because you think that, Naoya-san. That's what makes you a good person." Because he could be doing the minimum, but he chooses not to. Madoka thinks that's pretty admirable.