When I was three years old I contracted whooping cough. At the time, the treatment consisted of symptomatic relief, and caregivers were advised to let patients into fresh air, preferably sea or mountain climate.

We neither had close to us but for six weeks my grandpa put me on his shoulders and walked up these hills until we reached the castle on the left, quite a lot of steep paths through the thick forest in wonderful, healthy air.

He was indefatigable.

The Ragtag Daily Prompt: Indefatigable