the.com/young
The brief window where your knees and your excuses both still work.
means Being in an early stage of life or existence, having lived relatively little time.
from From Old English geong, tracing to a Proto-Indo-European root yuwn that also seeded the Latin juvenis, making young and juvenile distant cousins.
Word familyRelated to youth, junior, and even rejuvenate.
Relative termA young star is billions of years old.
Brain factThe human brain keeps maturing until about twenty-five.