The third element that I would like to highlight is the sense of inner security from the more seasoned people.
What I meant is the security and confidence built by your years (decades for some) of experience accumulated at work and in life.
You have already accomplished something being worked and lived for “so long” :> As they said, “you must have done something right to get this far in life.”
One can always do better or worse and personal accomplishment itself can be quite subjective. Regardless of what – You should give yourself “a pat on your shoulder” and walk tall.