You're wise beyond your years

An edit:

When you have completed three almost four decades of your life

Well, I don't know. Maybe... I'm wise or wannabe wise... But certainly at a better place in life.
Hopefully, the trend continues!

No pressure is as intense as the pressure we put on ourselves.

Spot on, I totally agree. You are your own worst nemesis until you learn to tame yourself... But what to do with this utter wildness!