Chase likes it, sure, but there's a part of him that's grown kind of attached to Obi-Wan's normal form, not that he's leaping forward to admit that because it feels like conceding to wanting something steady and routine and that's usually the first step towards his heart getting broken. So instead of answering, he takes the cue and starts to move a little faster, easing his thumb down below to rub as he pushes in, gentle circles to try and help bring him off faster.