Lately he has added such things to his repretoire as sticking his finger in my mouth and picking at my gums or pinching a tiny bit of skin on the underside of my arm with his fingernails. If I try to remove his hands and tell him to stop, he thinks it's funny and will laugh and keep doing it.
Exactly what she is doing too. Also she picks at my, and scratches in the same spot. I am going nuts.