Livia's hair is usually unkempt and she wears clothes that date back to the 1960s. her ways of thinking and dealing with other people are rather eccentric—she has the idea that she can communicate telepathically with her brother who lives on the west coast. livia will most likely be diagnosed as having personality disorder.

Schizotypal

Explanation:

Schizotypal personality disorder (STPD) is a mental illness distinguished by  serious social anxiety, mood dysfunction, emotional lability, derealization,  temporary psychotic symptoms, and sometimes bizarre views.

Generally speaking, they don't know how relations form or how their conduct affects others.  

They might also misunderstand the motives and behaviors of others and  create substantial mistrust of others.