Miles was surprised by the privacy spell, and by her words. But then again, Bellatrix and Rodolphus had both said she wasn't stupid, and she did know why they had to be there.
He gave a smile, just in case anyone was watching, and they could 'guess' what was going on behind their privacy spell.
"I just have to cast a spell at 9.30, and make sure nobody sees me do it. I have no idea what it does, but I'm sure that if the boss suggested you come with me, that you'll be perfectly safe."
"You've got yourself entangled with a dangerous man, Daphne. The same sort of danger that got your brothers killed. Are you sure you want to sneak off and be complicit to this?" He gave her a long look, realising for the first time that perhaps she had more to lose out of this 'marriage' than he actually did.