He had no problem with her jeans earlier, but if Eirene is going to be uncooperative, then he won't have an qualms about doing this the fast way, either.

There's suddenly a naked goddess writhing beneath him which, if he wasn't already turned on to the point of losing his mind already, would certainly push him over the edge.

As it is he's having a hard time concentration on the task at hand, but he seems to regain focus soon enough and moves back up her body to recapture her mouth with his, leaving a hand below to start come exploration of its own.