She's about to lift her fist to knock against the window, but she pauses because the person sitting next to Jack is stroking her husband's leg with beautiful long white fingers. Jack looks down at his leg and interlaces his fingers with the woman's. She pulls him towards her and he gives in easily. Cassie watches, paralyzed, as they come together in a way that looks inevitable, the pressure too great to not put their lips together, for his hands not to hold her face as he kisses it, her red hair cascading between his fingers like lava. He's kissed Cassie like that so many times. She touches her face, almost expecting to feel his hands there, where they should be, holding her face, not holding [the woman's]. Cassie can't move. It's as though her mind has been cleaved clean away from her body. She watches them push and pull against each other, watches as [the woman] smiles behind her kissing mouth and her fingers fall to Jack's fly, like they've been there before.Cassie's heart dilates and contracts painfully, like the organ itself has been thumped hard. The force shoves her backwards, and she grips the window frame to stop herself falling. If You Knew Her