Power to control time.
Power to control space.
Having 2 me, in body and mind.
And going back in time
The USA and China.
Power to heal any type of injury, pain or disease, be it mental, physical, emotional or spiritual as well as hulk-like invulnerability.
I would want the ability to slow down or stop time, and to remember everything I have ever read or heard.
some people already have that superpower - i used to have a friend with an eidetic memory, i was so jealous of him
try learning some yoga breathing techniques - it relaxes your mind and allows more oxygen to get to the brain, so it helps with that
i teach my students to do that too
high school teacher
ability to tell when anyone is lying and the ability to remember everything