Initially, it wasn’t Yurio’s intention to snap at Yuuri, but he was disappointed to see how weak-hearted Yuuri was. Yuuri had grabbed Yurio’s attention through his skating at last year’s GPF (or maybe even before that?), and Yurio knew that Yuuri had the ability and he appreciated how good Yuuri was.
I’m so happy to know that Yurio actually wanted to see Yuuri skate a clean/perfect programme (This kid is too precious omg.) and how he wanted to know what kind of guyhis soon-to-be father Yuuri was.
Yurio hated how Yuuri was selling himself short, thus the scene in episode 1.
“The truth is, I wanted to become a storyteller. I apprenticed myself when I was 14. But because of my personality, I never took off. I gave up and thought about leaving, but the 7th Generation kept me on, doing odd jobs. Later, Hatsutaro-san and the young master joined the household, and I ended up looking after them. They both had charm and talent. Their personalities were like oil and water, but because they were both kind, they got along very well. Watching them both gradually advance in their careers warmed my heart; because they lived all the dreams that I couldn’t. The thought of getting to see the both of them off… It’s a sign that I’ve lived a bit too long, perhaps. But it was worth living this long, if it meant getting to see sights like this…”