 And although the norm was for the younger male to lie supine and not show any enjoyment, let alone expect any sexual mutuality, Epprecht found a case in which a pair of black males had stopped their sexual relationship out of fear of pregnancy, but one wanted to resume taking turns penetrating each other.Writing in the 19th century about the area of today's southwestern Zimbabwe, David Livingstone asserted that the monopolization of women by elderly chiefs was essentially responsible for the "immorality" practised by younger men.Edwin W. Smith and A. Murray Dale mentioned one Ila-speaking man who dressed as a woman, did women's work, lived and slept among, but not with, women.