My interest is captured by other things, I'm afraid. [ his eyebrows draw down just a bit as if in mild consternation. ]
You need not care for me. [ it's almost a command, and he means it not just in this sense, but in all senses. he doesn't want more attachments that he must have, and that includes others' attachments to him. it occurs to him that he probably should have avoided kissing this girl if he didn't want that to happen, but. what's done is done. and the dome made him do it! clearly marina is always at fault. ]