The Cocoon

In Chogyam Trungpa's Shambhala: The Sacred Path of the Warrior, Trungpa defines the cocoon as an enclosed familiar world in which we can hide or go to sleep[...] The way of cowardice is to embed ourselves in a cocoon [...] perpetuate habitual patterns. When we are constantly recreating our basic patterns of behavior and thought, we never have to leap into fresh air or onto fresh ground.

Cocoon is the ultimate comfort zone. Everything is easy and familiar. We can nestle in and go right to sleep.