Uh huh. Well that is quite noble! [He'll admit that, his tone slowly getting back to his more casual one.

That is, it's of course a trap]

... But, are you're sure it's him you're worried about breaking here? [He shrugs]

Look, elderly brother advice? You got a chance to reconnect with your sibling, and you might not get another one.

I wouldn't throw it away so easily. It's a regret that lingers.