Enjoy your extra weighted furry blanket with rumble mode. You have attained human nirvana by reaching your ultimate purpose as a pillow.
Pick up cat and give a hug, don't let go. The cat will soon leave you alone thinking ur weird for wanting such a long hug. Your cat might vary.
The issue isn't just the 18 lb, it's that one tiny paw that they're putting all of that weight on, that just so happens to be resting on a rib, or worse between 2.