Ranger, get in your car and find a new route to ride on your bike. While in your car imagine riding the hills and smelling the smells that you can only experience on your bike. Give yourself something to get excited about--namely the new route.

Something else that would help is to find someone to ride with that you don't know very well, who hasn't been riding for a very long time. By explaining/teaching the newbie your tricks you'll remember your love of the sport.