Incidentally, this diary is also considered a valuable material to study the sexual mores of court nobles at that time, because it reveals that Yorinaga was quite active in sodomizing chigo (boys who served noblemen), maibito (dancers), samurai and court nobles including MINAMOTO no Yoshikata.
余談だが、頼長が稚児や舞人、源義賢ら武士や貴族たちと盛んに男色を嗜んでいたことが書かれており、当時の公家の性風俗を知る上で貴重なものとされる。