5) Psi and/or magical powers, if real, are nearly useless. - Larry Niven

Tell them the universe is too complicated a toy for a sensibly cautious being to play with.

5) If you've nothing to say, say it any way you like. Stylistic innovations, contorted story lines or none, exotic or genderless pronouns, internal inconsistencies, the recipe for preparing your lover as a cannibal banquet: feel free. If what you have to say is important and/or difficult to follow, use the simplest language possible. If the reader doesn't get it then, let it not be your fault.

"You look like a girl with a secret," Matt said. "I think it must be the smile."
She moved closer to him, which was very close, and lowered her voice. "Can you keep a secret?"
Matt smiled with one side of his mouth to show that he knew what was coming. She said it anyway. "So can I."