With time/space control, couldn't I play with space/time, then go back in time to before I choose and take the pie? Theoretically, I would not be affected by the 20-year pie fast because I went back in time before I chose the space/time ability. But then again, the laws of phsyics agree that I could not use time powers to go back before I got the time powers. But with absolute space/time powers, this rule may or may not be able to be circumvented. In any case...
Space/Time Paradox + Grandma Licking < Pie