This cropped up in a Facebook page I follow. I can remember not only my mum's dividend number, but those of my two best friends' mums too, as we so often went shopping together. I won't actually say what they were because I use them as passwords online sometimes.
Can you remember your mum's divi number? Or maybe it was your Gran's - or even your own!
Embarrassing problem following surgery
Friends using messages instead of picking up the phone
. I think it was printed out on the receipt so there was no getting away with it if you forgot!