Like you mention, a therapist would be your best bet. I totally get your disgust of todays current medicine distribution. And to add to that, a lot of those doctors have close interaction with the medicin companies, and they make money off prescribing it to patients. I'd never put such a pill in my mouth for medical purposes (I'd eat one for fun, but that's it).

Anyway, I think therapy is the best way. Tell him/her exactly what you just told us, and develop a system/treatment with him/her. Also, tell him you need help with finding a passion. Something you love. Maybe ask friends and family what they always thought you'd become? That could open your eyes and give you that "of course!"-reaction. You could even look for such courses around your neighbourhood - I'm sure you're not the only one who feels this way (I've been there - damnit it's annoying)..

Good luck, I really hope it works out!