So many older people, they just sit around all day long and they don't get any exercise. Their muscles atrophy, and they lose their strength, their energy and vitality by inactivity.
Idleness is a constant sin, and labor is a duty. Idleness is the devil's home for temptation and for unprofitable, distracting musings; while labor profit others and ourselves.
Skiing is the pleasurable part of alpinism - way more pleasurable and fun than alpine climbing.