He won't have to try too hard tbh. This girl is the type who watched tokusatsu series on the regular until she was... much older than she would like to admit. He just has to tell her about a few of the things he or his fellow heroes have been up to and she will be at the edge of her seat.

..........So she's also incredibly restless, oops. That said, she's not going to let him break his own body like that. While also being the world's biggest hypocrite. It's fine.