You can't expect your partner to do things for you.
Mike's and Molly's son, Brandon, needs to be picked up from soccer practice while Mike watches TV.
Mike wants to watch a football game that just started.
Mike tapes the football game and goes to pick up Brandon from soccer.
Mike watches the entire football game while assuming that Molly will pick up Brandon from soccer.
Brandon watches the taped football game with his dad when they get home.
Brandon has to walk home when no one comes to pick him up.