I'm 80 and a former weightlifter. Life after retirement felt dull — so I started exercising again.

Ng Bee Kia, 80, says age isn't a reason to stop moving.

Amanda Goh/Business Insider

• After retiring, Ng Bee Kia, 80, found staying home all day boring and began exercising regularly again.
• He eats oatmeal for breakfast, doesn't smoke or drink alcohol, and works out every day.
• A former national weightlifting champion, he believes that age isn't an excuse to stop moving.

This as-told-to essay is based on a conversation with Ng Bee Kia, an 80-year-old retiree living in Singapore.