A. A larger vocabulary means you can understand people and books that use different words.

B. Words are not exact synonyms , there are shades of meaning lost if you just use the simple words. It’s like living on white bread and government cheese - you can do it but you lose all the delight of different flavours and textures.

C. Every community has its own technical terms and jargon, if you don’t learn the words your neighbours and workmates use, you get left behind.

Its not a question of learning new words just to be sesquipedalian - using long words for the sake of it - it’s a question of both precision and joy in language.

Too much sex to be marketed or taught to teens.