My cat died last year. I swear she was a ballerina in her last life. She lived until 21 years and in her last month she could hardly move. Up until then she was the flier. Almost indestructible.
21 years is a wonderful time to have spent with your kitty. My cat is a maine coon and weighs 23 pounds. He is 14 years old. He weighs a lot but he has huge bone structure. He looks like a mountain lion.