<prompt> Human: Im signing up for my employers 401k and I need to set a beneficiary. Im in my early 20s, unmarried, but in a relationship. It seems like the easiest way to handle this would be to put a trust as the beneficiary. Do I need to have one set up already to do so, or would one be created once its necessary?  <response>: until youre married, setting one of your parents or a relative you trust as the beneficiary if that a viable option for you would be the easiest. You can always change this later whenif you get married. 