A childhood belief about aliens

My friend in kindergarten told me that if you thought about aliens, they'd sense it and come take you with them. She also told me she'd seen a spaceship in the mountains over our village and that they were watching us. I was really scared. Every time I accidentally thought about aliens, I'd be terrified that they would come and kidnap me. Come to think of it, I still feel a bit wary whenever I think about aliens...