I start training to run a marathon tomorrow.

I am going to start training for a marathon tomorrow.  Am I nervous?  Yes!  I don't have a record for finishing things in my life.  I started college twice and didn't finish :(  I start crochet projects and have yet to finish one.  I do finish good books and diets.  I've done the HCG diet and lost 100 pounds only to gain it back.  What I've learned is that eating healthy and exercise are the only real ways to lose weight and keep it off.  Had I done the HCG and changed my eating habits and exercise habits, I could have kept the weight off, but I didn't.  So, here I am wanting to change everything about my eating and exercise habits.  I've read a lot about nutrition.  I've been vegan, and vegetarian before, but I didn't feel good because I was eating a lot of processed foods.  I've been low carb, still eating a lot of processed foods.  What I've realized is that it's the processed foods that harm us.  The processed foods keep us fat and sick.  I'm really thinking I want to go Paleo....  Healthy Paleo.  But where do I start?  I feel like I'm embarking on this journey alone.  But, maybe someone will find my blog and want to take the journey with me.  Maybe in the long run there will be something I can teach someone else.  The one thing I have to mention is that I have exercise induced asthma.  I also have eczema.  I believe that both of these things can be cured with diet.  When I did the HCG I wasn't eating dairy or wheat and my asthma went away.  I believe that Paleo will make it disappear again.  If you don't know what Paleo is, I recommend the book, "The Paleo Solution", by Robb Wolfe.  There are a lot of other good books, blogs and such on the subject, so google it and see what you come up with.  I also considered going raw vegan, but after much research I've decided Paleo is for me.  I am going to give it a try and see how I feel.  I will keep you posted.  I'm going to slowly start going Paleo, so as to not scare myself or my body.