Original sentence: Carr finally quit smoking in 1983, aged 48, after seeing a hypnotherapist.However, Carr claimed it wasn't the hypnotherapy itself that enabled him to quit.The visit crystallised in his mind just how easy it was to stop and so released him to follow a desire to explain his method to as many smokers as possible
Edited sentence: Carr finally quit smoking in 1983, aged 48, after seeing a hypnotherapist, however it wasn't the hypnotherapy itself that enabled him to quit.The visit crystalised in his mind just how easy it was to stop and so released him to follow an overwhelming desire to explain his method to as many smokers as possible