Hey y'all. My friend's 14 yo indoor/outdoor cat has just returned from his second multiday adventure (read: getting lost then rescued via craigslist) in 3 months. She has had it with the emotional trauma and is bringing him inside to stay, yay! However, she plans to declaw him because apparently previous attempts to bring him in resulted in shredded couches and she doesn't think retraining will be successful due to his age and temperament (cranky). What do you think? Should I encourage her to abandon her plans for declaw? Is it possible to retrain a senior/geriatric cat (who will likely be extremely unhappy about being kept indoors full-time anyway)?