This was the problem with Parthenope being Parthenope. She had a knack for making up her mind quite early and easily about people because the Sight tended to be fairly helpful in letting her feel out people and their motivations. She knew Cohen wasn't a creep, but she hadn't exactly said she didn't think he wasn't a creep, just kept asking questions because she was also entranced by a good story. This, among other things, was what had people thinking she was weird on a regular basis.
But oh! Now he was blushing and everything! How adorable and romantic was that? Her sister sure knew how to pick them, apparently. "Oh gosh. I can help with that." She tore the receipt off the bag and pulled a pen out of her purse, scribbling down Peisinoê's number. "Call her. Or text her. I'm not sure what's better. Try one and if it doesn't work try the other. She's always working. If not at the clinic, then at the lab, but. She can be distracted with the right offer," she paused, lips pulling into a conspiratorial grin, "I do it all the time."