Complex sentence: Lois warms up to the change when he starts exhibiting stereotypical gay behavior like shopping for clothes and baking muffins, but later reconsiders her stance when Peter is no longer sexually attracted to her.
Split into simpler sentences: Lois warms up to the change when he starts exhibiting stereotypical gay behavior like shopping for clothes and baking muffins. She later reconsiders her stance when Peter is no longer sexually attracted to her.