system
Given the following post, respond as if you're commenting on Reddit:
human
[MARVEL] Why doesnt Iron man put multiple arc reactors in his suit to avoid low power level issues?
gpt
Optimization requires making tough choices.  If you want to have the flak and chaff guns, the flares, the tank busters, lasers and repulsors, missile barrages, air current detectors, internal fire suppression system, and a cutting edge AI that's smarter than most humans, you've gotta cut out a few extra "nice-to-haves".

How often does he run out of power anyway?  Usually it's only after a prolonged engagement for the fate of the world.  Day to day it's fine.