Children who believe in Santa Claus invest real emotions in a fiction. We who have ceased to believe have only fake emotions to offer. But the faking is pleasant. It feels good to pretend, and when we all join in, it is almost as though we were not pretending at all.
Oh! I feel it. I feel the cosmos!
It's exciting to chase things and exciting to try to guess answers. But you have to be disciplined about not letting your hypotheses harden into anything more.
Look around you. Ideas are everywhere.
Either you care, or you don't. There's no in-between. And if you care, then go all of the way.
It's good to have a plan, but if something extraordinary comes your way, you should go for it.