I went to alumni reunion at 49 years. One of classmates walked in and shook her finger at me like I was a child. Have never been back since and it's been 62 years since I graduated. Still get angry and some of things happened Senior year .. it was the unfairness of the way I was treated as...
Keep the recipe safe for yourself. Write it out for DIL to be given when you pass or can't make it anymore. Meanwhile tell DIL next time she asks "someday it will be yours" and smile.
I think as long as establishment is okay you're okay. Social activities help you mentally and emotionally. Live for yourself and be happy. Your health and well-being is more important than the nay-sayers opinion.