I do mine whenever A) It gets so long I can only fit through a door sideways, or B) The dogs refuse to get in bed with me. Whichever comes first.
Every day, and twice on Sunday.
Haven’t a clue what you’re on about though.
Do you use castor oil, or sandpaper?
I usually do mine in a public place.
Once a week.
I do mine when I run out of clean underwear.
Cutting toe nails? Mine wear off on the wife’s legs at night while we sleep, never have to cut 'em. 
Whenever the urge is too strong to ignore.
Not until I can’t find any of the other ones.
I do mine once a year, cutting off the old growth to make room for new growth.
Every morning in the shower. It helps me get my day started.
Twice a year, if I need to or not.
I used to never let a day go by as well, but then I was informed that this was a racist attitude.
I alternate between the two in rapid succession.
As much as I can without getting caught by the authorities and usually in a crowd.
I like it when people watch.
Exactly as often as I am required to by federal law.
Some threads are just too mundane . . . even for MPSIMS.
Cajun Man
for the SDMB