VoidShiro
How in the world is he struggling doing regular physical exercises? Dude could lift the planet. ok that's an exaggeration but only a little.
He's not used to the power... Pretty cliche reason, huh? Well, not as cliche as one might think. The mind works In wonders. No one truly knows what it's up to. Plus, I felt him doing One Punch-Man workout without any reaction felt... I don't know - Fake, I guess? I always sprinkle some Realistic in my writing(unlike most), so I wrote that.
Vincent_Kun:How could exercise affect him mentally when its physical?