https://screenrant.com/simpsons-season-35-episode-18-homer-intelligence-deteriorating-explained/

Although The Simpsons (https://screenrant.com/tag/the-simpsons/) changed one vital aspect of Homer's character over the years, the season 35 finale offered an explanation for this mystery.

The Simpsons Season 35 Quietly Gave Milhouse His Saddest Moment In Years (https://screenrant.com/the-simpsons-season-35-milhouse-saddest-moment/)

Milhouse's minor outburst in The Simpsons Season 35 finale underscores one of the most tragic aspects of the character and his home life.