It's easier to see the mistake on someone else's paper.
If the horse you're drawing looks more like a dog, make it a dog.
Believing in the Tooth Fairy is easier than trying to figure out how else the money gets under your pillow.
Nobody can pedal the bike for you.
You don't get to decide your part in the school play, but you do get to decide whether or not you play it well.
Whiners usually play alone.