Tldr, I love this. The writer tells of how you are the only person you have to prove yourself to. Alpha as fuck.

Body

The Guy in the Glass Poem (Man in the Mirror)

When you get what you want in your struggle for self,
And the world makes you king for a day,
Then go to the mirror and look at yourself,
And see what that man has to say.

For it isn’t a man’s father, mother or wife,
Whose judgement upon him must pass,
The fellow whose verdict counts most in life,
Is the man staring back from the glass.

He’s the fellow to please, never mind all the rest,
For he’s with you clear to the end,
And you’ve passed your most dangerous, difficult test,
If the man in the glass is your friend.

You can fool the whole world down the pathway of years,
And get pats on the back as you pass,
But the final reward will be heartache and tears,
If you’ve cheated the man in the glass.

= Dale Wimbrow, first published in The American Magazine in 1934.

Lesson learned, don't go around worried about proving your worth to everyone. Prove it to yourself. Women come and go, parents die, people dissapoint, at the end of the day it's you and a mirror.