"We'll just sit here," said Barney, "and if we think of anything worth while saying we'll say it. Otherwise, not. Don't imagine you're bound to talk to me." "John Foster says," quoted Valancy, "'If you can sit in silence with a person for half an hour and yet be entirely comfortable, you and that person can be friends. If you cannot, friends you'll never be and you need not waste time in trying.'"