Volker Ullrich proposes that Hitler occasionally had sexual relations with women but he was unskilled, unexperienced as a lover, and mostly uninterested or unable to relate to the experience of his female lovers in bed, and therefore not particularly prolific romantically.^[50] He notes some comments: He couldn't kiss, said Charlotte Bechstein, the 15 year old daughter of one of Hitler's patronesses in the early 1920s;^[51] Maria Reiter commented, He didn't know what he was doing.