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'm not old enough to 
have a child her age.
No tengo edad para tener hijos tan grandes.
No soy tan mayor como para tener hijos de esta edad.
Eu não tenho idade para
 ter uma filha desse tamanho.