The other two were surprised by their brother's sudden enthusiasm. They immediately realised that the water ran deeper than they thought.
Klaus had probably gone through something neither of them had, and he thought their mother had the answers. As for why he wasn't telling them, they didn't know, nor will they ask.
It was the same when he vaguely revealed that something was up during the discussion with Muku and the others. Oh well, they'll know eventually.
"Well, if that's what you want, feel free to look. I am not convinced. While it's sad, I think Mom is really gone and looking for her is a waste of time. It's no different from rubbing salt into your own wounds" Chris chimed in.
He felt that while there was definitely something weird about their mother, that didn't mean she had some supernatural connections.
