Thank you very much for the responses. I will build a ramp for the couch and steps for my bed. (more than likely the honey do list) Also, thanks to those who forwarded the information on the: luxating patellas. Very informative and I will definitely be keeping an eye on him and be on the lookout for any complications that may arise.
I had knee surgery three years ago, and wouldn't want to put any living being through that pain if it could be prevented. I am extremely careful myself, soooo, looks like Addison and I will make a good pair