The church newspaper The Wasp publishes a phrenology chart of Joseph Smith's head and personality. The first trait is "Amativeness-11, L[arge]. Extreme susceptibility; passionately fond of the company of the other sex." The official History of the Church still publishes this chart, along with the caution that such a high score indicates "extreme liability to perversion" in the trait.
[Source: Quinn, D. Michael, The Mormon Hierarchy: Origins of Power, Appendix 7: Selected Chronology of the Church of Jesus Christ of Latter-day Saints, 1830-47, http://amzn.to/origins-power]