Christine and Mr. Harris are ready to consummate their relationship -- until Barb says something that gives Christine reason to worry.

After a pretty young waitress flirts with Mr. Harris, Christine worries he will leave her for someone younger and visits a plastic surgeon.

Christine is shocked when a new dad at Ritchie's school calls her a "meanie mom" for being judgmental and standoffish, and dumps her for Marly and Lindsay.

Christine promises to accompany Mr. Harris to an important event, but leaves him hanging when Ritchie's soccer game runs long.

Christine attempts to stop sulking and get over her breakup with Mr. Harris.

Christine reluctantly lets New Christine set her up on a blind date, but the date goes from bad to worse as Christine discovers he is not who he made himself out to be.

When Christine learns that Richard and New Christine bought the house she had always dreamed of, she tries to contain her jealousy and attempts to feel genuinely happy for them.

Christine considers taking a walk on the wild side in order to make Barb think she's not a square.

Matthew and Barb pretend to be inseparable after Christine learns they spent the night together and forbids them to see one another.

When Christine's gynecologist suggests that she may be experiencing perimenopause, Christine tries to take charge of her hormones.