What should teenagers stop doing in school?

Teenagers should not

1. Stop bringing vapes and drinking in school you are not tuff lil bro .
2. Stop flocking to girls have self respect , make friends but don't put them on a pedestal.
3. Stop being lazy do physical excercises preferably gym get a good bod and work on skin care and diet because this is the chance to improve yourself.
4. Stop fuc**** trading it doesn't matter you made 5000 into 50000 in 4 years it's completely useless.
5. Stop being introverted make friends join social media do anything except staying at home.
6. Stay away from anything that might result in call to your parents like fighting , smoking or abusing (do these things smartly ). It's pretty embarassing and causes you to loose your respect in front of your parents.
7. Main thing develop self respect and a personality and learn to step up for yourself and even others . Don't just sit if you see something that doesn't align with your views and learn to express yourself and speak up .
8. PS : DONT FALL FOR GIRLS THIS IS THE AGE WHERE IT'S DIFFICULT TO CONTROL ONESELF AND MANY GETS INFATUATED WITH GIRLS AND THEN THEY BECOME POETS OR DEVDAS. IMPROVE YOURSELF THEN THINK ABOUT GIRLS.