I think it’s like how The One Ring brought to Gollum unnatural long life. This level of wealth, or the trappings that come with it, have mutated and perverted Elon into something that only echoes some scant memory of his former self.

See also: Bezos, Zuck, Trump, McConnel, etc etc etc

Probably just sucking in his gut cause he thinks it makes him look less fat.

It looks like a barrel chest, which can be a symptom of lung conditions like COPD, or just being old. Other rumours suggested it can happen because of steroid usage without appropriate accompanying exercise. Elon does seem like the kind of person who would use steroids without exercising.

He’s doing his best to hold in his giant belly, like an olde timey body builder. My fat brother does the same thing.

Human Growth Hormone is rumoured to extend longevity, and also causes oversized organs.

Dunno, but hopefully it’s painful and fatal

Human growth hormone

I hear Ozempic backfired on him. He might have a vest under maybe.

Ketamine