My weekly D&D group disbanded after five years because two players had a real-world fight about something that happened to their characters, and I can't understand how pretend betrayal became actual betrayal.
More people experience this than they realize.
The boundaries between play and reality are far more porous than we pretend, especially when ego is involved.
“Where Are You with Games — board games and card games?”
If this sounds familiar, the Library can help you find the bigger picture.