You no longer have any side effects, only things intentionally done will happen. You must now consciously think about breathing and blinking as they are no longer side effects of being alive. As this is not a side effect, but rather the effect itself it cannot be nullified.
You can have any superpower, but the first person to reply chooses a side effect
self-explanatory!!
I need to survive for 3 days without pooping, and eating as little as possible. I can pee, but not very often. It can't take up too much space. What food do I pack?
Please don't ask why I need this....