User blog comment:Emily & Edmond Elephant/My predictions for Season 4/@comment-34819503-20180802224010/@comment-31563773-20180803022934

Fool Me Twice is the April Fools episode of this season. Also, Lily is 15 months, so her being 2 years old soon would be in the realm of possibility for this series.

On the subject of marriage, yes you have to be of legal age, but many teens end up having kids when they're too young to be having them. Being 18 doesn't mean you're ready to have a child, because you're likely in college and don't have a stable job to support a child.