It was the same thing for him of course. Thomas couldn't feed on one person all the time without the risks of bad things happening. Of course he'd spent a long time feeding on Justine which put her at risk but he could only do that under certain circumstances now.
But he'd never shared Justine. He'd taken her from the Red Court and made her his and while he'd never quibbled about sex with other people, feeding was something else.
"I can help you find partners. I might even be able to help you battle your Ardeur and gain control. I'll let you have sex with Justine...but she's not on the table for feeding."