Work on controlling temper. Read books about how to reach this at a young age and keep updating the conversation as he grows. He needs to be able to control his temper.
Keep stories about younger years to tell them later: You used to call yellow “lellow” etc. Ten years from now you think you’ll remember this stuff but you won’t.
Consider the source.
When you get information, look at where or who it’s coming from. Do you trust them? Are they an expert?
When someone criticizes you. Do they know why they’re talking about and are they taking chances themselves. Pay no attention to hecklers.
Career is so important to your life satisfaction. Do what makes you happy. If you’re really at a loss for what you want to do for work, then go where you’re needed.
Things are rarely black and white. Most situations (and all people) are complex. A nuanced approach is necessary to understand them. You can’t learn - or love, if you’re judging.
“A lot” is two words. (You wouldn’t write abunch as one word.)
“Its” is a pronoun like his or hers (you wouldn’t write her’s) The contraction “it’s” ONLY means “it is.”
They’re / there / their
You are always responsible for how you act, no matter what you’re feeling. (Or whether you’re drunk or in any way impaired.)
Hammer this point home for the next 10 years!
Yes, push yourself and see how far / fast / high you can go (physically, academically, etc.) But remember, you have nothing to prove to anyone except yourself.