Hayate is forced into a situation his only viable option is to do something illegal, unethical, and unbecoming.  After being called a Mom like figure to Nagi, Maria goes to the source on information regarding Nagi’s father.
when they know they 
can't pay the bill?
saben que no tienen dinero 
para pagar la cuenta?
sabiendo que no tienen un duro para pagar la cuenta?!
conseguem comer
 tão tranquilamente?