I used to have a job at a recruitment company in London that required me to sit in a room on my own for 9 hours a day. One day I had a new colleague to train, the only part of my job as a receptionist that I actually enjoyed because it meant contact with a human that wasn’t an Actuary looking for a job. For your reference an Actuary is someone who found Accounting a bit wild (the same job Ben Stiller had in the classic film Along Came Polly) .
My new colleague sat down and the interaction went something like this:
Me: Hey your eyes are different colours, Heterochromia right?!