I think to claim that 2000 years ago there was one person who performed miracles and/or healed people that nobody else could, with no actual evidence it was done and nobody else has been able to do it since, you need a better response to someone questioning it than “oh were you there? prove it didn’t happen.”

>How do you know?

a 4 word summary of the entire works of every religion in the world, ever -- the original Pascal's Wager flavored FOMO social networking maneuver.

Because I was there?

Because I'm a grownup who knows the difference between reality and make-believe.