to take care of oneself
Marcello, precisa se cuidar, ouviu?
Marcello, you need to take care of yourself, you hear?
— O Conformista (1971)
Você é grande o suficiente para se cuidar sozinho.
You are old enough to take care of yourself.
Você deveria se cuidar melhor.
You should take better care of yourself.
You have to take care of yourselves.