The oil consumption of a good condition four stroke is when you change the oil. The consumed oil goes into the dump and not into the air.

Age is a issue of mind over matter. If you don't mind, it doesn't matter... (Mark Twain)
Many years and 1 million (s)miles.

'05 R1200GS lotsa miles (sold)
'09 Yamaha Majesty - yes, a scooter