Great book that has guidance about all personal improvement strategies. Even goes into a strategy to buy good clothes, necessary to look and act the part you want to be, simply spend more on less things. Lots of good content, highly readable and highly recommend.

book review
Unfu*k Yourself: Get Out of Your Head and Into Your Life by Gary John Bishop
You speak to yourself more than anybody else. Your thoughts impact on your actions. Rather than thinking you should do things take a deliberate decision