I learned them because I started programming BASIC when I was 5. (I've recovered, thanks for asking.) I had it down pat, and then I was taught the mouth mnemo

I learned them because I started programming BASIC when I was 5. (I've recovered, thanks for asking.) I had it down pat, and then I was taught the mouth mnemonic in elementary school, and for some reason for weeks after that I had a hard time remembering which was which.