Believe in yourself rather than attaching your feeling of relevance and validation to material things
Oh yes, I've learned this the hard way. I wish I didn't do much social media when I was a teenager. Teens now a days are on Facebook reels and tiktok, which I think will not be good for them in the long run.
Sometimes it takes some experience to learn and understand what's good or bad for an individual. The good thing is that you've learned.