Keep him RFing! I think too many people think that it is some sort of milestone to turn them around. I don't know ANYONE who keeps their kids rear facing a day past their first birthday. Everyone thinks I'm crazy for doing it. My 3 y/o is still rear-facing 50% of the time, she is just above the 35 lb. mark so I got her a Nautilus but she still likes her rear-facing seat better because she can watch movies

I have seen a lot of kids her age in belt positioning booster seats that are totally not right for their age!
I am very surprised how little info there is out there about extended RFing, even my dr. told me it was ok to turn her around at 1 but I know better!