Charisma is the extraordinary nature of attraction that every individual has and that every individual uses to a specific degree. This personal trait is specially important in television and refers to people with an uncommon mystique to the general population who are admired and respected.
When an individual feels a constructive feeling toward another, he permeates that individual with charm, or charisma.
To be detached literally means to be separated or isolated from something. So this word can help to indicate the dead-end and dull aspect of the street.