The Nanoha Takamachi school of parenting. Best summarized as "befriending, but even harsher". Well, at least she hasn't thought of using crossfire to spank Vivio...
Don't worry, Fate-chan, you'll get spanked later when nobody else is in the house. No need to get jealous.
I'm sorry Mama!Vivio?You're not my Mama!Female Middle School StudentNa... Nanoha...
Don't you think that's enough...?Vivio at a rebellious age (Current Day)...Shall I cool your head a little...Ten more!