A hungry dog will eat his own excrement.
More Yemeni Proverbs:
A mule driver is not aware of the stink of his animals.Yemeni
Pity the stranger, even if he is rich.
Yemeni
If you give people nuts, you'll get shells thrown at you.
Yemeni
A sick person is a prisoner.
Yemeni
If the time has passed, there is no point in preparing.
Yemeni