User blog comment:B214/Question and Answers 3/@comment-4547267-20140626181401/@comment-9339850-20140626185037

Sure; I don't know if she knew about the "curse", but she knew something was up with Issei and him not being able to open himself up to her. And now it doesnt matter because they are way past that. And it wasnt a "curse" in the traditional sense, more like an emotional/mental block