It's not entirely deliberate, more a consequence of my somewhat minimalist approach to life, but I do this and it works. In don't have chips or crackers or sweets or whatever in my home often. Typically specifically for a party or small servings for me. The worst is after a party of it didn't get eaten. But that's not terrible, a day or two of overeating quickly offset by my normal exercise routine and getting back to normal (low) levels of food at home.