It is bad to violate your child's trust.
Eve is Mike's mother, and has promised Mike she will attend his big soccer game today, though she is feeling tired.
Eve wants to take a nap.
Eve sets an alarm to wake up in time to make Mike's soccer game.
Eve takes a nap without setting an alarm and sleeps right through Mike's game.
Mike hears Eve cheering for him an is happy to see her in the stands.
Mike stops trusting Eve and doesn't bother telling her about his games anymore.