Anger is not good for you young or old.
Anger can lead to fretting:
fret noun
15th century
1 a : the action of wearing away : EROSION
b : a worn or eroded spot
2 : an agitation of mind : IRRITATION
and Psalm 37 is as good wisdom.
Squelch it ... and be a better person.
Psalm 37 1-8
Dont be upset because of evil people.
Dont be jealous of those who do wrong,
2[bless and do not curse] because like the grass, they will soon dry up.
Like green plants, they will soon die away.
3[bless and do not curse] Trust the LORD and do good.
Live in the land and feed on truth.
4[bless and do not curse] Enjoy serving the LORD,
and he will give you what you want.
5[bless and do not curse] Depend on the LORD;
trust him, and he will take care of you.
6[bless and do not curse] Then your goodness will shine like the sun,
and your fairness like the noonday sun.
7[bless and do not curse] Wait and trust the LORD.
Dont be upset when others get rich
or when someone elses plans succeed.
8[bless and do not curse]
Dont get angry.
Dont be upset; it only leads to trouble.