Not sure what Bobby might have heard from Remy's mind to elicit that sort of response, Jubilee let it drop as they reached the car that they had rented to get to the building.
Remy wouldn't find anything terrible or untrustworthy about them, so she wasn't worried about Remy running off. The mission brief had explained what Remy could do, though not in detail, and Jubilee could only guess at what they were picking up.