Indeed. She's the one who made the decision in the first place, after sounding him out on whether he has a wife or girlfriend:
http://www.giantitp.com/comics/oots0076.html
http://www.giantitp.com/comics/oots0079.html
Combine with the fact that he's a virgin and that she can tell:
http://www.giantitp.com/comics/oots0083.html
and it's safe to say that treating him as the one seducing her, gets things entirely backward.