I believe founders who build something meaningful choose discomfort on purpose, and keep choosing it long after they could have reasonably stopped. It's not recklessness and it's not ego…it's a learned understanding that the feeling of being stretched past what's comfortable is usually confirmation that you're in the right place.
There's a VC firm that tracked this across 5,000 founder meetings and found that the single rarest trait wasn't intelligence, charisma, or vision. It was pathological determination, showing up in less than one percent of founders, defined as a borderline-delusional ability to run through any wall with no off switch.
The most determined founders weren't the loudest ones in the room either. What they had was a desperate need to prove something, a history of adversity, and an irrational refusal to quit when most people already had. That profile was more predictive of building something big than raw talent ever was, because brilliance is fragile and obsession is antifragile.
Most founders never find out what they're actually made of because they don't stay in the hard thing long enough, optimizing for not failing instead of finding out how much they can actually handle, and those are very different games with very different outcomes.
You were built for the hard version, and the proof is that you're still here, still choosing it when you could have stopped. Most people never find out what they're actually capable of because they never stay in it long enough to see.
Stay in it.