My son has got into the habit of chewing his fingers when he is sitting ideal. he is 5 years old. his weight is constant for last 1 year.

A. DO practice self-awareness with your child. "When your child is sucking his thumb, ask him, 'Do you know you are sucking your thumb now?' ". "If he says no, help him recognize that, and find another way to soothe him if he needs it, like a blanket or stuffed animal."