Exactly. You get it 100%.
He doesn't actually care about truth.
He cares about feeling validated because, despite all of his successes, he has a hole in his life he doesn't know how to fill.
He's a textbook case of the hedonic treadmill.
It's absurd to think that unmarried & childless people cannot live fulfilling and happy lives, e.g. Tesla, Newton, Sartres, Kant, & Susan B Anthony.
How long has it been since they were alive?
Do people still remember their names?
What about the people who had kids who lived next door?
Does anyone still remember their names?
How often do people think about their dead relatives from 5 generations ago?