I had a job when I was about 19 where I used to polish the floors in the old Queen Victoria Hospital.
One night my polishing machine was on the blink and took off down the corridor without me.
I chased it and grabbed the handles only to have the thing buck then flip me over the handles onto my back.
Then the machine came at me between my spread legs and the half metre diameter brush head was agitating between my legs like a rabbit on Viagra.
Just then about a dozen female student nurses walked out of the cafeteria and saw me getting polished on the floor and nearly fell over laughing at the sight.
I have had mixed feelings about nurses ever since then.