Do you think that if Phineas, Ferb, and/or Isabella knew more about Doofenshmirtz and his tragic past, they would be able to persuade him out of the path of evil for good? I know that his daughter, Vanessa, does it in the series finale, The Last Day of Summer, but what would happen if the other three would be able to do that by using their kindness if they learned more about him? How would that play out and why?