What's your feeding schedule like? And you can't compare a corn to a milk, or really to any other corn except from the same clutch. Too many variables. How much does he weigh? My smallest 2009 is still 15 grams, and the second smallest is about 22. The biggest is 70 grams. Once they get onto fuzzies, the growth rate really increases, and the ones on pinks still fall even further behind. But it really doesn't matter, as long as your snakes are healthy and of a good weight for their size. I mean, a nice "loaf of bread-shaped cross-section, not a skinny, sharp spine.