Reason #1: I have convinced them that Santa IS watching them. All the time.
Reason #2: I have convinced them that Santa has a cell phone and uses it to text me when they are naughty.
Reason #3: I have convinced them that the website that tells them automatically that they are on Santa's nice list is run by Gremlins.
Reason #4: They KNOW what a gremlin is.
Reason #5: They have been completely convinced that they have a 50/50 shot at getting coal in their stockings.
God, I love Christmas. It is the one month of the year I have something to hold over them to keep them in line. Yes, I know, I am mother of the year.
