I find it provocative. > How do they know to grab on to you when they're picked up? There is no way to learn this behavior, therefore it must be instinctual. > I'll give periodic appraisals as I write my notes. - I'm looking forward to your comments. - In regard to human instinct, babies have a suckling reflex and a grasp reflex at birth. Touch the palm and the fingers curl on you, offer the nipple and so forth. They feel pain, but a needle stick if using a cloth diaper is not point specific. Points of pain have to be learned. Two-point discrimination of close- together needle sticks are learned over time and involve use of the eyes.