1: People aren't joking when they say drain covers are slippy in the wet!!
2: Cars will do anything to get past you for some reason. Is overtaking a bike considered a great achievement?
3: Scooters are feckin' dangerous!
4: Wet White lines in the road make you need to change your pants.
5: Cordura isn't as waterproof as it may seem
6: Clearing your visor in rain can be done by turning your head to the side, using the visor wipe in the gloves results in a scratched visor
7: Earplugs are pretty essential at anything over 60
8: It's nice to nod at other riders
9: Harley riders don't nod back
10: The chain needs to be lubed and checked REGULARLY
11: indicators don't cancel themselves (someone needs to invent telepathic indicators)
12: not wearing any socks results in the hair on your toes being slowly removed every time you change gear.
13: When filtering, watch out for volvo's and bmw's, they're likely to try to stop you by moving into the middle of the road.
May think of more in a bit.