Plot summary
After Jill confirms she is starting perimenopause, she decides to tell Andy she wants to have a baby and his response is uncomfortable; they later resolve this and Jill plans to freeze her eggs, only to get devastating news from her doctor. Meanwhile, Christy's dismay over being denied a spot on the law school's mock trial team leads her to strongly consider Jill's offer to pay for Christy to freeze her eggs as well. Wendy gets a promotion at work, but the group's plans to celebrate it don't entirely work out. Title meaning: Andy's comparison of who Jill has been acting like and Bonnie describing the hair trait that Adam would pass on to their children if they had met when they were younger.
Credits
Adapted from Wikipedia contributors, Mom season 7. HTML formatting and reference markers removed.