Self-discipline

This morning Keni was frustrated with Danica about a chair she wanted to sit in.  So she bit her (pretty typical) then put herself in time-out.  She went to her room and closed the door.  After a couple minutes I went in and she was sitting on her bed giving herself a talking-to.  She said she's gonna be good now and went out to apologize to Danica.  Not sure why I even need to be here anymore!!!