Why do INFJs sometimes come across as egocentric even when they don't mean to be?

Folks, I'm overdue for some mediation. I could use a nice safe place to meditate, but it's been raining a lot and I feel a bit pulled down. What you suggest in just getting out with less excuses to stay in?
How do I stop caring about every single thing and just be happy?
Why do our brains default to energy-saving snap judgments instead of thinking things through?