Most people think that if they simply work harder, then they'll be more successful. And if they're more successful, then they'll also be happier.
The problem is that this logic is scientifically broken and backward.
Every time your brain has a success, you change the goalpost of what success looked like. You got 50 followers, now you want 100. You got 100, now you want 200.
So, if success is a prerequisite to happiness and the goalpost of success keeps moving, then your brain will never get there.
You can rewire your brain with just 2 minutes a day by writing down 3 new things that you're grateful for every day for 21 days.
Doing so reprograms your brain, allowing it to work more optimistically and more successfully. After 21 days, the brain starts to retain a pattern of scanning the world not for the negative, but for the positive first.