your own
Cuando tengas tu propia familia quizá entiendas.
When you have your own family maybe you'll understand.
Si quieres leche, trae tu propia vaca.
If you want milk, bring your own cow.
Engañar a tu propia esposa no se suele considerar un comportamiento aceptable.
Cheating on your own wife is generally not considered acceptable behavior.
No te gusta tu propia propaganda.
You don't like your own propaganda.