You bribe, er, motivate him with ice cream! Kevin started this with Kylin a few months ago, in that if he had 21 days of "Good Reports", then we would take him to Sonic for the frozen treat of his choice. The first time that he succeeded was after 21 days of those good reports. However, that last 7 days were really a struggle for him. So, we made it a two week deal.
Tonight, he achieved his "Good Report" prize!