What scares Dr. Jekyll about Mr. Hyde in The Strange Case of Dr. Jekyll and Mr. Hyde?
Dr. Jekyll is afraid of Mr. Hyde because he doesn't know what he might do in that other personality. The story was written in Victorian times when much that is commonplace in modern fiction was absolutely unmentionable then. Mr. Hyde is represented as a totally fiendish, ruthless, sadistic man, but most of what he actually does on his outings is only implied. Buy Dr. Jekyll knows that if he were to lose complete control of his civilized persona, he could commit an endless series of horrible crimes against men, women, and children. He also realizes that if he went on a crime spree in London, it would only be a matter of time before he...
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When Dr Jekyll becomes Hyde he turnes into a shorter, hairier young man who looks nothing like himself. This is one of the reasons that Jekyll is so attrated to his alter ego, it gives him the ability to whatever he pleases and not have to suffer the conseqences that may affect his status in society. Jekyll is scared when he no longer has control over Hyde.