Another day at Springfield Elementary, another day of bullying. Nelson pinned Milhouse to the ground and begin stuffing his shirt with leaves. This is followed by a thorough beating and Milhouse is crushed. When he gets home, he heads for his bedroom to cry where Bart tries to console him. His mother sees that he is depressed, and decides to cheer him up with a new puppy! Milhouse instantly falls in love with it. But his weirdness leads to a beastial relationship with the dog. It's pretty clear why he gets picked on at school.