[Eustace has also turned and is just giving Mirabelle a dry look.]

She'll be fine, just follow her instructions.

[A glance at Hyacinth. ...Right.]

I'd like to discuss with you further about payment arrangements and other conditions, but I think you've at least proven you have notable skills. Thank you for taking your time.

[Regardless of the.......questionable behavior, he can't deny the fairy's abilities which could be invaluable. He knows he could have used someone like her when he first found the Flowers. So he can deal with the odd messing around and jokes as long as the animals are healthy.]