yes! if her brother trusts him, she'll want to believe he's trustworthy and take him at his word as long as impressions are good when they meet. as rinta really just revealed to the crew who are in on it that they'll be moving frission soon, she's been using one of her neuro abilities to sort of monitor people's reactions so if anyone seems antsy or nervous about it, they know. maybe she thinks ocean is just really excited about the whole thing at first but little things start to add up over time and she realizes it's not exactly just enthusiasm she's getting from him when frission is mentioned but addiction? i'm totally up for a bit of cat and mouse and dealing with all of that!