13. They've Gotta Have It

Joan grows impatient with Sean, who refuses to kiss or touch her. After discussing a number of possible explanations with her friends, she finally pushes Sean for the reason behind his cold behavior. Joan is taken aback when he confesses to being a sex addict. Meanwhile, Toni annoys Greg with her refusal to make a commitment to him; and Yvonne angers William by sharing a few too many intimate details about their love life with Maya.