>>280611441 (OP)It's for their moms. Little boys are still at the age where they belong with their mothers, so they retain some of the baby cuteness for their sake. That's why they grow out of it when they hit puberty and start manning up: being cute is no longer appropriate as of when they have to become strong and reliable 1: workers for their family and community, 2: husbands for their prospective wives, and 3: fathers for their prospective children.