>>123469141It's called trauma you fucking idiot.
Sometimes people get fucked up in a way that affects them for life and never quite goes away. All in all he's remarkably well adjusted, given that he's trained multiple Robins and continues to vie for the position of World's Best Detective. I'm not even a Batfag and being sad about his dead parents every so often is less bad than, say, having a coke addiction because someone diddled you when you were 13.