Paul said that with a sharp face, while I was looking around the surroundings restlessly.
No matter how you look at the times when he's down, Paul is a failure as a human, but, during the times he's properly doing his job, Paul sure is cool.
I don't think it's strange at all that Zenith would fall for Paul after seeing his figure, as well.
If I have his blood flowing through me as well, then that compliment Sylphy often says to me might be her true feelings.
"Sensei, when I'm putting on a serious face, am I cool?