What's the nicest thing someone has ever done for you?
What's the nicest thing anyone has ever done for you?
What is the nicest thing you've ever done? What is the nicest thing you, personally, have ever done for another person? What is the nicest thing you have ever done for someone on Christmas? What is the best thing you have ever done for others? What is the best thing you have ever done for somebody? What is the nicest thing that has happened to you for being nice? What's the nicest thing you can do for yourself? What's the nicest thing you've seen someone do? What is the best thing that ever happened to you for being nice? What's one of the nicest thing you have done for a stranger? What's the nicest thing you've ever been told? What is the best thing you have ever done? What was the kindest thing you have ever done to someone? What is the most interesting thing you have ever done? What's the best thing you've ever done? What's the best thing you've ever done? What's the most impressive thing you've done? What is the kindest thing you have ever done for a stranger? What is the nicest thing you have ever seen? What is the most satisfying thing you have done in your life? What is the most beautiful thing you have done? What is the best thing you have done? What's the most beautiful thing you've done? What is the meanest thing you have ever done to a person? What is the sweetest thing your pet has ever done for/to you? What is the most nicest thing you have done to a prostitute? What is the most soul satisfying thing you have ever done in your life? What is the most amazing thing you ever did? What is the nicest thing one can do? What is the best thing you have done for yourself?