Sex Tips for Husbands and Wives from 1894

In 1894, Ruth Smythers, ''Beloved wife of The Reverend L. D. Smythers'', wrote:

''One cardinal rule of marriage should never be forgotten: give little, give seldom and, above all, give grudgingly...''

The Methodist wife didn''t intend to be amusing, but this brief treatise written for young brides is side-splitting today and an eye-opener to how our love lives have changed in just over a century.