>>100
Thanks, I think I understand now. I wish the kanji had been written!
This was the speaker observing someone else, so the meaning would be that he got the feeling the smile was empty from her.

>>102
ありがとう！以前、読む時にはなんか…上品との意味を感じた。それも正しいですか？
その時ミリみてを読んでいる所為かもしれないけど…