“Animals shouldn't eat gumdrops! They shouldn't drink tea or chocolate milk, either.”
“I shouldn't think even millionaires could eat anything nicer than new bread and real butter and honey for tea.”
“Nobody cares. You shouldn't either.”
“I shouldn't be allowed to think when I'm drinking.”
“You shouldn't be eating anything that takes six minutes to microwave.”
“You either have to write or you shouldn't be writing. That's all.”