Grew up with a lot of tired, hungry and malnourished kids in a third world pissant of a country you never heard of, and none of them stammered. Me, the well fed rotund rolly polly fella who never knew any much of that, was the only one amongst all my mates who stammered. So not buying that logic. But aside from that, we all agree that tired and hungry kids are not bueno. 👍