My retirement funds could use a bit of a boost. Please send me his contact info. so I can take out a life insurance policy on him. I'll pay a 15% finder's fee to you and double it if you keep him on the bike.
All kidding aside, all you can do is give him the benefit of your wisdom. He is likely to eventually get it if you give him enough space to change his ways without feeling like he is following your orders. Be clever and good luck.