If doubtful whether to end with "yours faithfully," or "yours truly," or "yours most truly," &c. (there are at least a dozen varieties, before you reach "yours affectionately"), refer to your correspondent's last letter, and make your winding-up at least as friendly as his: in fact, even if a shade more friendly, it will do no harm!
Lewis CarrollWhat do you suppose is the use of a child without any meaning? Even a joke should have some meaning-- and a child's more imporant than a joke, I hope. You couldn't deny that, even if you tried with both hands.
Lewis Carroll