I opened an account with Interactive Brokers last year, but I really didn't get on with it. There's so much red tape to navigate, I found the platform and whole experience to be really clunky. I was trying to purchase some stock from the French market and it was saying I had to request...
I would say it can't 'buy happiness', but it sure can help prevent worry and stress which could prevent some sadness.
Having enough to be comfortable and do what you like will get you to the equilibrium
Interested to hear how you got on. Definitely not stupid if you are trading stocks via leveraged CFD. Technical analysis can work on any chart.
Trading is about making gains. Choose your poison.