Oh.

[Why was it on his mind?]

I think it's because I was wondering why I was so 'bad'. When the 'comas' were happening I was okay with it because I didn't want anyone else to get hurt around me, and then I had a lot on my mind after I found out the Ring was haunted, but now...

[Now the Ring isn't a problem anymore, and Ryou is free to think more about what was going on with his lack of interest in dating.]