Caroline is most likely a schizophrenic as explained by her disorganized behavior.
Symptoms of the mental disorder, schizophrenia, include, hallucinations, lack of emotional expression, catatonia, disorganized behavior, etc.. Disorganized behavior involves unexpected, strange and chaotic behavior such as talking to oneself, dressing strangely, behaving bizarrely, lack of self-care and limited awareness of one's surroundings and environment.
