After a breakup from a charming commitment-phobe, Billie finds herself pregnant by a fling with a younger man, but she decides to keep both her baby and its father.

Billie finds something surprising when she snoops through Zack's belongings in an effort to get to know him better.

Billie's pregnancy makes her more attractive to the opposite sex, including Zack; an unfortunate incident forces Zack to reject Billie's advances.

Billie and Zack agree to see other people, but Billie finds her pregnancy gets in the way.

Zach dumps the girl he's dating when she obsessively sends him text messages and goes to Billie to seek relationship advice. Davis also asks Billie's dating advice.

Zack surprises Billie by installing a low-flow toilet, which leads to the couple's first big argument.