What in the World is a Brain Weasel? Brain Weasels (weasels for short) are snarling, bitey personifications of the negativity inside of our heads. They're the ghost-memories of red-pen wielding teachers, echoes of that first boyfriend who said we weren't pretty enough, shadows of authority figures who told us we'd never amount to anything. Weasels are our gnawing self-doubts, our inner critics, the bully-hall...