If you answered no to any of these GET YOU ASS BACK IN THE GAME! There's more choices out there!
The hardest victory to achieve is defeating the main bad guy of this whole adventure: Cell. If you can take him out in the future time-line then you've proved yourself as a true bad ass!
And remember. . . You could've stayed in the past, you could've even been king. But in your own way, you are king!