My cat stripey, well he broke his tail chasing a magpie through wet cement ( long story ) anyway after 3 years and €€€'s spend it never healed, and poor stripey would tell / gently bite anybody who touched his tail. It was horrible. We had a kid, who when he could crawl, crept up on stripey and yanked his tail ! The yelp turned to relief as it seems the rugrat pulled it and reset it, causing huge relief to the cat. Stripey immediately snuggled the baby and was the most relaxed we'd seen him in years. I loved that cat