He says he's a masochist.
Maybe you have a bit of a masochistic streak?
サド (sadist/sadism) is the conceptual opposite of マゾ (masochist/masochism) in describing pleasure from giving versus receiving pain.
Abbreviation of マゾヒスト (masochist) or マゾヒズム (masochism), from German Masochist/Masochismus, ultimately derived from the name of Leopold von Sacher-Masoch.