Grandfather's suspense

Early that night.

Charles and his father are on the lounge with a cup of hot tea beside them each; they are laughing and gisting and staring into the pool.

" Today was so fun, I'm proud of my son winning the challenge, he killed two animals", Charles said proudly, " even I killed none",

" Neither do I," Grandfather said, chuckling, " old age indeed set in."

" Indeed", Charles supported and they both sipped their tea,

" I remember when I was younger and active, I would ...