Babies and Feet

Why is it that we find a baby's feet so cute? When they are first born, we look at their little feet. They are just feet, there is nothing special about them. When we get older, a lot of people find feet repulsive. But not little babies. Hayden is in a really cute "feet" stage. He plays with them all the time. He has been doing this for about a month. It is so cute to watch him lying on his back with his feet in his hands. Something else he does with his feet is suck on his toes. Again, I find this so cute, but if my 2 year old or 4 year old did this, they would get in trouble. I don't know what it is, but I just love a baby's feet!