Skepticism is normal, so don't worry about that. It is healthy to question things and seek for answers. When I have done numerology type stuff, I have simply added all the numbers together until I get a single digit number.
Pain is human. You aren't going to get rid of it, emotionally. But you can learn to live a happier healthier lifestyle. Some medicines can help with that, therapy can help with that, certain food can help, hobbies can help, friends can help. Many things can help you be happier, you just have to find what works for you, but you may have to so some searching, soul searching or otherwise. But there are still always going to be hard times and painful things.
Keep reading, keep looking for answers. If anything, there is always a lesson to be learned from new experiences.