Sometimes a trailing comment or lingering gaze gives Dana pause. The thought is always brushed away because she's known them for years and there've countless girlfriends -- and a wife! -- so she must be imagining things. If they're closer, more touchy-feely than most men are with male friends, it's because they're two sensitive 21st-century guys.
She discovers the truth the night she leaves her keys on her desk and has to return. Through the glass, she sees the kiss, Casey's fingers making a mess of Danny's hair. Dana grins and walks past, wondering if it's too late to call Natalie.