What's the best thing you've ever done?
What is the best thing you have ever done?
What is the best thing anyone has ever done for you? What is the best thing any one has ever done for you? What is the best thing someone has ever done for you? What is the best thing someone ever did for you? 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 hardest thing you have ever done? What is the best thing someone has done for you? What is the best thing ever? What is the nicest thing you've ever done? What is the best thing you have done for yourself? What is the most important thing you have ever had? What is the best thing you can do? What is the worst thing you have done without regretting? What is the nicest thing anyone has ever done for you? What is the best thing that has ever happened to you? What is the best thing that has ever happened to you? What's the nicest thing anyone has ever done for you? What's the best thing that ever happened to you? What is the worst thing you have ever done that you do not regret? What is the worst thing you've ever done? What is the best thing anyone has ever said to you? What is the most crazy thing you have done? What is the worst thing you have done? What is the sexiest thing you have ever done? What is the best thing that ever happened to you because you worked hard? What is the worst thing that you have done? What is the most crazy thing that you have done? What's the worst thing you've ever done? What's the worst thing you ever done in your life?