I really like the book "Ask And It Is Given". I use a lot of tools from it.

I learnt quickly, before I even knew it, that even if I think or say something, if the energy isn't there, it's not going to work. The intention, the vibration, the energy, is what changes things. Words do help, because they have their own vibrations, but when I fully feel the virbations and put all my energy into certain thoughts or words, I feel the impact and it can be such a wonderful thing.

That's why I do a lot of EFT, to change my vibration and energy, to let it flow better.