The pleasure of one's effect on other people still exists in age -- what's called making a hit. But the hit is much rarer and made of different stuff.
Source: Autobiography, ch. 5, 1969.
-- Enid Bagnold, (Oct 27 1889-1981), English novelist, playwright; She was known for her broad range of subject and style; wrote National Velvet, 1935 and the prize-winning play The Chalk Garden, 1956.