Had Therese known the chain of thought there, she likely would've thrown Logan's blood at his face and thrown him out. Her personality was hardly something she could alter, and being nice for the sake of blood was lying through her teeth. She'd sooner acquire a doll to entice into it, turn a ghoul and keep them. Which she wasn't doing.
"Jeanette is mourning the loss of her darling friend, she's been in a state since she discovered Ms Knope was no longer here." Of course she'd wallowed just the same with that buffoon Andrew had vanished. "Jeanette is a special soul," in the head too, the damn tramp was such an idiot she was lucky she had Therese to keep her alive. "She relies on my assistance to aid in her continued existence. She's getting the blood she needs while moping around, she'll be fine with the arrangement." Especially since Therese was securing it without subterfuge. Which was something Jeanette relied on far too much.
That and her short skirts.
"Excellent." And with the news, Therese offered a decidedly rare smile. "Twice a week for each of use should suffice. This method is most preferable." Rather than more fluids and touching. "And you can be safe in the knowledge that neither of us is about to give in to the bloodlust and hunger and go on a spree." The Masquerade would never allow it, and Therese followed the Masquerade for it's protection as much as it's logic.
The few people who knew what they were, the fewer could hurt them.