Just as Magica often deluded herself into thinking Scrooge was grateful for the cruelties she could inflict on him, Poe was also interpreting things another way. Maybe this had been Scrooge's plan all along - getting Poe's guard down to try and entice him.

He couldn't say it wasn't working.

Purring, Poe pulled Scrooge closer, rubbing Scrooge's backside. "You learn quickly. It takes much to impress me, but you've accomplished it."