to think only of sb's/your own advantage, without worrying about other people :
You should look out for yourself from now on.
to think only of sb's/your own advantage, without worrying about other people :
You should look out for yourself from now on.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005