I remember when I was a kid I tried to explain to my Dad that if I left Earth on a ship and came back Earth years later, you wouldn’t be able to tell how old I was. He scratched his head and gave me a weird look!
That whole time dilation thing is difficult, to say the least.
To a photon, there is no time. Here, there, same time always. Slow down and time starts to exist. But “slow down” and velocity are time-based notions. Another true head-scratcher.
And as for the things that appear solid, the closer we look the more they disappear.
Humanity has come a long way from Earth, Air, Fire, and Water. Not sure we’re any wiser, just we think in different terms and have different tools and toys.
He should told you “well then son, you owe me for back rent” lol