>>3 that's the shittiest advice I've ever heard.
What you really need to do is ask yourself questions. I used to think something was missing, too, I still do. I started asking myself a lot of things and changing my perspective. You'll see the world differently and maybe that's all you'll need. I've never felt better. Good luck with finding yourself. In my opinion, you never do and I think that's a satisfying part of life. You never truly find yourself, but trying to understand yourself and the world around you is wonderful.