if you do sth in spite of yourself , you do it although you did not intend or expect to :
He fell asleep, in spite of himself.
if you do sth in spite of yourself , you do it although you did not intend or expect to :
He fell asleep, in spite of himself.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005