Reasons why English is the best language on earth...simple it just doesn't follow the rules even of it's own making. It can be very silly and make no sense, yet people get very hot under the collar if you try and change it. Which in itself is very silly!
I tell all my patients this at physical therapy! Homemade Ice packs: 1 part rubbing alcohol to 3 parts water, gets really cold, but never hardens so you can manipulate it. every athlete (or mom) should pin this!