in that pile of books Bart accidentally found his former teacher's diary and it seems like he's gained almost superpowers for instance he knows where Skinner keeps his car keys and now Bart can take it for a ride moreover he discovers the teacher secret they work at a call center during recess but the most important thing Bart learns comes a bit later it turns out that his former teacher had loved him all along even while he was teasing and insulting her she believed he had enormous potential and was actually very smart this inspired BART to do
good deeds and for the first time he didn't doodle on a test but actually tried to pass it and he got his first a Lisa finds all of this puzzling and decides she must figure out the reason behind it catching Bart in the treehouse she finds the diary and quickly realizes that it wasn't about bart at all but about the teacher's cat however completely unaware Bart enthusiastically tells her how much the teacher loved it when he brought her dead birds and that he was too cute to be neutered Lisa tries to keep it together and
not tell Bart the truth but she eventually can't hold it in and Spills everything Bart immediately loses all motivation and locks himself in the treehouse but then Ned comes to visit he explains how the teacher truly felt about bart with love and respect which makes the boy feel better
