Sometimes I think negative thoughts. How can I think more positive and know that things will work out for the good?

First of all I want to thank you for your wisdom and insight. I have a two part question. I finally realize that we create our lives and I read the books “Conversations with God” and “The Secret” and of course your books. They all say how to create the life you wish and how you can change your life by your thoughts and feelings and think of what you want and not what you don’t want. Does the soul have something to do with not having what you want, because I would love to live a better life and to have more money? If the soul has other plans for me then, can I convince the soul that this is what I want and how do I do that?
My other question is: I get myself so excited and happy about creating a better life and then nothing happens, then I get depressed and give up for a while, then I’m back at it. Why doesn’t it ever happen?

Occasionally, as I am now, I go through periods of what seem to me as great restlessness. Lately, I have had vivid dreams within which the messages repeat themselves. I am “antsy” and feel I am searching for something that is just beyond my reach. All I yearn for is to go “deeper and higher” in my spiritual practice. Could you please shed your light on this?
Also, do you have a book to on SynchroDestiny? (I was blessed to see you in Santa Rosa, CA, several years ago with my son and I heard Don Miguel in person, in AZ, many years ago)