You know those slightly cruel viral videos where dads with big bushy beards shave their faces and surprise their babies on camera with a clean-shaven chin? The little ones usually cry, or shriek, or reach out to touch the spot where the hair used to be. We know it's probably wrong to have a soft spot for that kind of trick, but the whole thing is so dang cute. However, new research suggests that once the dust settles from a barbering ambush, kids might actually prefer folks who skip the stubble.