I'm at around 5 being nicked and 6 going under cars so far. My first one under a car when I was 15. Bike was folded round my body and protected me as the the front and back tyres on the right went over me. Driver came running out screaming and thought I was dead.
Still live in the Philippines? You were diving I presume. Was in Japan 12/13 years and travelled a bit but never went there. Lot's of bikes in Tokyo. Outside stations are just walls of bikes parked up. Pointless buying a decent one there.
RE: Chain waxing how to