(someone's) cocoon of comfort

Translations
кокон комфорта (кого-то)
He prefers to stay in his cocoon of comfort rather than face new challenges.
Он предпочитает оставаться в своем коконе комфорта, а не сталкиваться с новыми вызовами.
Definitions
A 'cocoon of comfort' refers to a safe, secure, and familiar environment or situation that someone creates or surrounds themselves with to avoid discomfort, challenges, or change. It suggests a protective space where a person feels at ease but may also be insulated from growth or new experiences.