In the third-season opener, Steve and Regina go on a cruise where he hopes to "define" his unconsummated relationship with Regina. While they're gone, Steve entrusts his apartment to responsible student Lydia Guttman. - - - In exchange for allowing her to keep her lovebirds at the apartment, Lovita agrees not to visit for a week. To make amends for when the birds keep Steve awake all night, Lovita gives Steve a pair of tickets for a weekend cruise to Mexico. When Regina agrees to go along, Steve sets out to make his dream of a romantic vacation come true. Coretta invites Romeo, Bullethead and Lydia to her Sweet 16 party. The boys look for a way out and think they find it when Steve asks Lydia to house-sit and to care for the birds while he's away. Seeing an opportunity for a party, Romeo gets Lydia to invite him over for dinner. Lydia expects a romantic evening alone, but he brings along his friends for a big party. As the cruise gets underway, Steve can't think of anything other