Wear a peak cap under the helmet when it rains, it keeps the rain out of your eyes.
Squeeze lemon juice into your water bottle. It flushes out your system.
Have dirolites at the end of a long journey when touring. It restores the chemicals in the brain to ensure conectivity in the thinking procesess. You wont have that delay in the brain when you walk into the shop thinking what have I come in here for bit...
Dig a hole in the ground. Put ice cubes in the plastic bag along with your beers wine food. Tie a knot in the bag ensuring ther is air trapped in the bag. Now put another bag over the first one so the knot is now on the opposite end. ensure again air is trapped in the bag. Put it all in another bag and burry in the ground. Everything will be iced chilled till the morning. Fill up water bottles with ice cubes water lemon, you are sorted for the morning.