I can't remember what the line is, and I'm too lazy to actually go searching for it, but I do remember watching Wind Breaker S1 and during his first fight, Suo says "They're only kids! Nothing gets through to them until they're beat," and maybe I missed it, but I feel like I've never seen anyone mention it. Because the first time I watched it, it threw me for a loop. like, Suo Hayato, what do you mean???
Especially when you look at the rest of his dialogue during the fight. He keeps talking about becoming adults, acting mature, and learning to handle things properly. On the surface, it sounds like he's preaching self-control and responsibility, which is yk still strange for a teenager. but that line makes it feel like his definition of maturity is less "solving problems peacefully" and more "enduring whatever comes your way without backing down." Which is a trait we clearly see in him. (insert photo of sad-looking suo that nirei saw)
It also doesn't help that, throughout that entire fight, the way Suo phrases things sounds weirdly similar to the kinds of things an abusive parent might say to their kid—or even a parent who, for whatever reason, can't emotionally support their child or let them actually be a child.
Lines like, "You must've had it so tough, little boy," "You're not any different from an impatient child," and "You only complain when you think you're the victim" all have the same tone to them. They're incredibly dismissive. Instead of engaging with someone's pain, they frame it as immaturity, self-pity, or a personal failing.
That's part of why his fixation on adulthood stands out to me. He keeps talking about growing up and being mature, but his version of maturity often seems to involve suppressing your own feelings, accepting hardship without complaint, and refusing to see yourself as someone who has been hurt. It's not really "be responsible" and more "stop acting like a child and deal with it."
Maybe that's why the line about not letting anything through until they're beaten feels so significant (outside of its very brutal and somewhat tone deaf nature). For someone who talks so much about adulthood, Suo's worldview is surprisingly harsh. Almost as if being mature, to him, means enduring everything silently until you physically can't anymore. As if someone 'beat it into him'.
He's also strangely persistent with Nirei about never closing his eyes during a fight. He repeatedly tells him, "No matter what, don't close your eyes," which feels a little suspicious coming from someone who has a visible injury around one of his eyes. I do think it sort of implies that the injury came before he knew how to fight, and came from his parents, and so his master instilled that teaching into him so to not get hurt again but thats all speculation on my end shuansk
I'd also like to point out that while people have already noted that, when asked his name, Suo responds with something along the lines of, "That's what people call me," and we later find out that this is, in fact, true; Hayato is simply the Japanese reading of Sunfei
but he actually uses almost the exact same phrasing when asked about his eye. He doesn't simply say it's an injury. Instead, he answers with, "That's what people say," before launching into the story about sealed Chinese dragons. What's interesting is that both answers are technically true while also avoiding a more direct explanation. Hayato is what people call him, even if it isn't the full story behind his name, and the people say his eye is an injury. In both cases, he responds by distancing himself from the answer and presenting it as something other people say rather than something he personally claims. There's something fascinating about the parallel. His name and his eye are arguably the two most obvious things about him, yet they're also the things he seems least willing to discuss directly. however, he doesn't lie in either scnario, which makes me wonder what the chiense dragon sealed in his eye could mean.
If his parents were responsible for his eye injury, then suddenly all of those ideas start orbiting the same point. The injury, the fixation on maturity, the refusal to see oneself as a victim, the belief that lessons only sink in once someone has been beaten, and the urgency behind "don't close your eyes" all begin to sound like different expressions of the same lesson. He doesn't see the injury as an injury but the punishment he rightly deserves.