When Tyler and Clementine (Hunter King) go to a guitar store, Tyler gets uncomfortable when the attractive salesman, Ian (Josh Groban), repeatedly hits on her. Also, Tim's tattoo artist, Lois (Kat Von D) makes a spelling error on a tattoo he got as a Valentine's Day surprise for Heather, Matt's plan to celebrate Valentine's Day with Colleen doesn't go as well as he hoped, and Greg and Jen discuss whether they should have another baby.