[ he will do it secretly so she'll never know!!! take that, sophie ]

It was probably an old bell.

[ her frown is making him feel bad, even though he wasn't really the one getting on her case about it, and he mutters that in some attempt to... make her feel better? like a loser ]

Anyway, it happens. There are other shrines and bells out there. They'll figure something else out. You'll just know to hold back a little more next time.