why? because if you had been meditating, you would start to notice your own thought. They run automatically, you cannot control them. Almost all the time. And the part that you control usually does not even notice them, just succumbs.

so...maybe you just don't see your inner dialogue, or the "monkey mind" ? and are unaware of this, yet a slave to it.

Man, between noticing your own thoughts and listening to affirmations there's a gap that would fit the world.