Translation of "Comportar" in English

Y dicen, "Así es como se debe de comportar

and it says, "This is the way your boy or girl has to behave

Si te vas a comportar de esta forma, me iré.

If you’re going to be like this I’ll just leave.

¡Os vais a comportar y con educación, me cago en la puta hostia de dios!

You all are going to behave yourselves, I swear to fucking God!