"And now let us talk, dear, as one heart to another. Remember always that if a girl is to have your heart she must be worthy of you. When you look at your own bright innocent face in the mirror, resolve that you will give your hand to no girl who is not just as innocent as you are and no brighter than yourself. So that you must first find out how innocent she is. Ask her quietly and frankly—remember, dear, that the days of false modesty are passing away—whether she has ever been in jail. If she has not (and if YOU have not), then you know that you are dealing with a dear confiding girl who will make you a life mate. Then you must know, too, that her mind is worthy of your own. So many men to-day are led astray by the merely superficial graces and attractions of girls who in reality possess no mental equipment at all. Many a man is bitterly disillusioned after marriage when he realises that his wife cannot solve a quadratic equation, and that he is compelled to spend all his days with a woman who does not know that X squared plus 2XY plus Y squared is the same thing, or, I think nearly the same thing, as X plus Y squared.

"Nor should the simple domestic virtues be neglected. If a girl desires to woo you, before allowing her to press her suit, ask her if she knows how to press yours. If she can, let her woo; if not, tell her to whoa. But I see I have written quite as much as I need for this column. Won't you write again, just as before, dear boy?

"STEPHEN LEACOCK."

How to be a Doctor

Certainly the progress of science is a wonderful thing. One can't help feeling proud of it. I must admit that I do. Whenever I get talking to anyone—that is, to anyone who knows even less about it than I do—about the marvellous development of electricity, for instance, I feel as if I had been personally responsible for it. As for