Yeah, that would blow. Another reason to consider him the most unrealistic. How can you tell what people are saying, and how can you speak in an understandable pace. I'm listening to what you're saying for years, and will spend years responding in a way you can understand me.
If someone had to think about their response for more than a millisecond I'd throat punch em. Spit it out!!
He can select at what rate he percives shit, and it automatically kicks in high gear when he is in dangers
He can enjoy a movie but when he feels a bullet brush up against his neck, his super speed kicks in