This wasn’t him. Marietta wanted him to have ambition but she happy when it centered around writing and his chosen profession. Giving one’s life up for the Dark Lord was not an ambition. It was suicide. Cut corners and stay quiet to keep yourself from poking out on their radar yes but join then. No.
"You join them and I’m moving out,” she said unflinchingly. She was having to be careful to not say his name. She didn’t want to disturb the jinx. “Do you honestly think that Bellatrix Lestrange cares about anything but herself? Do you really think she is going to protect you when you misstep and the rest ask for you blood? ”
This made her hurt. It made her sick to think of what they’d do to him and when they were done with him they’d come after her. Did he really think it would be that easy? When he stood, she took two steps back.
“When they’re done murdering you, they’ll come after me. I’ll be expected to try to redeem your honour and they’ll have me do it by violating me. They’ll destroy everything that matters to me – Everything that I thought mattered to you.”