Mutism can happen when you experience trauma, amongst other things. This, though not always, is probably selective. Can mute people make noise? Scream? Laugh? This is an question many people have asked themselves. I did to, before I found out what happened to Dream... --- Disclaimer! I myself am not mute, I did do research, yet somethings might be incorrect or even missing! My apologies. Disclaimer 2: my native language isn't English!