Is Shoyo Hinata Delusional?

Shoyo Hinata is a tiny boy with huge dreams. His seemingly endless enthusiasm, motivation, and perseverance is his most defining as well as his most endearing trait. This boy has proved that he won't stop or give up, even when the challenge he faces seems impossible. As long as this wannabe volleyball star has faith in himself, we as an audience feel happy and reassured that he can in fact reach his goal. Hinata's enthusiasm and determination gives us hope. Or do they? Sometimes, there's an incredibly fine line between being constructively confident about your capabilities and being unhealthily delusional about them. There are a few times where Haikyu!! shows us a Hinata who is a little more helpless, a little more tragic, and a little more delusional. It's just for a moment, but we start to worry whether his optimism may be unrealistic to the point where it is dangerous. If maybe Hinata's unwillingness to give up is not something to admire him for, but something to pity him for.