He's of perfect sound mind. Also, J-Man merch is now available on RedBubble! You can get shirts, phones cases, and more with the emblem of the green-clad hero! Check the link!
"No, we're not fine! We screwed up!" J-Man starts losing it as he hides from the dangerous Heat-Wave. Webcomics. Superhero. Action. Drama. Sci-fi. Psychology. All Ages. Colored. Book 5. Page 8.