DESPERATE HOUSEWIVES - "The Little Things You Do Together" - Zach creepily declares his love for Gaby in front of everyone, on "Desperate Housewives," SUNDAY, FEBRUARY 18 (9:00-10:03 p.m., ET) on the ABC Television Network. (ABC/DANNY FELD) EVA LONGORIA, NICOLLETTE SHERIDAN, CODY KASCH