Well, each one of us is still struggling through this, to either find or identify one. And the meaning of ‘comfort zone’ varies for each one of us, it is subjective.
For some people, comfort zone is surrendering their body to someone defines their comfort zone.
For some people, their friends are their comfort zones. Spending a whole day doing meaningless things around.
For some people, being able to share their craziness with someone is their comfort zone.
Pulling off all the veils of world and submitting one’s soul to the other, not to please them, but to gamble with it. It’s the best Lind of comfort zone. You not only experience peace, but also the chaos that keep you alive.