From what I know, Yuta knows that Seunghyun is meticulous Seunghyun didn't really tried that hard to get Yuta back Yuta believes that Seunghyun thought Yuta wasn't worth all the trouble of fact checking anything, so Yuta has to suffer for that In the end, Yuta hates everything and wants to die（/TДT)/
From what I know,
Yuta knows that Seunghyun is meticulous
Seunghyun didn't really tried that hard to get Yuta back
Yuta believes that Seunghyun thought Yuta wasn't worth all the trouble of fact checking anything, so Yuta has to suffer for that
In the end, Yuta hates everything and wants to die（/TДT)/