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.
I never met my dad,
No he visto nunca la cara de mi padre y
nunca he llegado a conocer a mi padre
Eu nunca vi o 
rosto do meu pai.