Found a picture on Tumblr about Phineas and Ferb. Just discovered it, but maybe I’m a late bloomer.

I can’t believe that Phineas and Ferb are characters from real life. Candace suffered from a mental disorder called schizophrenia, and imagined what her brothers did as seen on Tv, but her mother never believed her. Her mother didn’t know at all that she have a mental disorder. So this girl after a while committed suicide and everything we saw on Phineas and Ferb Tv show was her imagination about her brothers. She wrote it on her diary while she was alive.
This is so sad! Maybe if she was still living right now, she’ll be happy watching Phineas and Ferb.