Jekyll acknowledges his transformation into hyde is becomingirreversible,exposingdanger of unrestrainedevil
evidence and anayliss 1
the metaphor of losingholdevokes a stuggling, he is slippingaway from morality
evidence and anaylsis 2
"originalandbetterself" implies tjat hyde is deviation but also hinting that this "betterself" is fragile and easilycorrupted
evidence and anaiss 3
the adverb "slowly"creates a sende of inevitability and creates a matching gothictone
Alternative interpretation
jekyll may be exaggerating his loss of control to avoidblame, however it could reflect a geniunemoralcrisis as he realises how deeplyhyde has infected his soul
context
this reflectsvictoriancontemporaryfears about degeneration, stevensonlinksthis to uncheckedscientificexperiments
writers intention
illustrates how indulgingdarker side of humannaturelead go destruction
audience purpose
challengesaudiencesbeliefs that evilcan be controlled