I'm 91 and the oldest working female comedian. Here's what I learned from starting a new career late in life.

D'yan Forest is the Guinness World Record holder for oldest working female comedian.

Lanna Apisukh for BI

This as-told-to interview is based on a conversation with D'yan Forest, 91, who is the Guinness World Record holder for oldest working female comedian, a title she has held since she was 87. Forest said she works to stay active physically and mentally, keeping her mind sharp and her life fulfilling. The following has been edited for length and clarity.

I was born in 1934. When I was five years old...