booster

Hello, I've been wanting to make a short and sweet (and unnerving) Cave Story mod, and one of the mechanic concepts I had in mind was having the Booster v2.0 run out of fuel, and if you tried to use it while it had no fuel, it would show the "EMPTY" text like if you had no ammo for the Machine...

So, this probably came across as weird to everyone, how Professor Booster dies if you meet him, but he lives on fine if you ignore him. I was thinking about this, and may have come up with a vaguely plausible theory? When you meet Booster and he gives you the booster, he basically understands...