I agree with several of the other posts, Clarence was a good looking fella. I tend to think that cats seek us out when they need help, like Clarence did with your sister. He trusted her, and no doubt loved her very much. She was there to help him when he needed it the most. Please let your sister know, that the Campbell Clan Angels were at the Bridge when Clarence crossed and gave him a rousing welcome....Sleep softly, dear sweet Clarence...