I have absolutely NO idea! *laughs*

She was coming back from the garden, I selected her to see how old she was and at that exact moment her age turned from 59 to 60. When the 60 appeared, she instantaneously started writing memoirs. I think it comes with the age.

I only had another peep (a female also) to do it once. I used the green hand, of course, to see if they do it again.