Plan ahead and pack yourself some delicious, healthy, natural 100 calorie snacks instead of purchasing the prepackaged munchies at the store. When I'm grocery shopping, I'm usually hungry, which means I usually buy all sorts of goodies that tempt my eyes and brain to think I'll be on my way to calorie control if I buy these cute little snack packages. They've ingeniously marketed portion control to us, the mindless masses. We can do this on our own with a little know-how. Check out the DIY Life intro to basic snack packing.