If you are not satisfied and fulfilled by your job it is a fair bet you are not happy. Certainly not as happy as you could and should be.
Self help gurus are guaranteed fakes. So are all other self anointed gurus. Avoid them – run for your life and keep your purse locked.
Happiness is perhaps best described as the absence of unhappiness.
Depression and determinism: can we influence our moods, can we “change our mind”?