In an average day your hands will have come into indirect contact with the ‘nether reigons’ of 15 males. (e.g. touching door handles etc.)
During an hour’s swimming at a public pool you will ingest 1 and a half litre of urine.
During WWII (I think? Could have been later), a russian pilot bailed out of his aircraft at an altitude nearing 40,000 feet, without a parachute, and survived. Hot damn.