That's probably not the word someone who's been through it would use.

*This is something of a bitter smile. It's obvious by now that what he's talking about really bothered him, especially since even that quickly fades into a grimmace.*

When you Dive into someone's subconscious, you visit the deepest levels of their mind. Imagine...imagine if something so horrible that it affected the entire universe and is still endangering people fifteen years later happened because of something you did after being traumatized, and for those fifteen years everyone was utterly convinced that it was someone else's fault. It's not my place to mention any names here, but I saw a visit to someone's subconscious domain drag that memory to the surface. And what happened after that pretty much confirmed that it was the truth.

*He's incredibly tense by now and can't even look at Edgeworth. He manages to keep his voice from trembling, but it's still clear that what happened deeply bothered him.*