I definitely think PB has addictive qualities ;) Is your diet lacking in fat? I think we crave things for a reason, often due to insufficient nutrients in our diet. I use PB2 a lot as a lower-calorie alternative
http://www.bellplantation.com/ I usually stir the powder straight into Greek yogurt for a high protein delicious low-calorie snack. Really good mixed with banana! Also easier to use portion control because you have to measure it out and mix with water.