Yeah, we, the readers, have seen all kinds of expressions as well.
Masterpieces of Ishiyumi-sensei's art.
...No...?
That shouldn't be the case.
Really?
...Feels like I've seen a smile on your face before though.
But I get the feeling Ma smiles pretty often though?
Atta-boy, sonny-boy!
So you can tell the difference after all!
Come to think of it, you also make all sorts of other expressions even when you aren't smiling.In fact I think I'm getting better at figuring out when you smile these days.