People learn to empathize feelings of other people by putting them self’s in the other persons show to try to see what there going through in life. We can improve by starting to not focus only on your self and to start you can help other people around for example a family member.
Milk is generally slightly more acidic (pH 7.2) than the mother's plasma (pH 7.4) so it attracts weak organic bases such as oxycodone and codeine. Such drugs become ionised and 'trapped' in the milk.
My guess is let him freeze his butt off then have his coat waiting at the door when he realizes he was wrong. It's called letting him learn from experience.