not the first choice from a doctor. Although breaking routine is a more accurate form of treatment, since there was really no help from his doctor and not done during therapy sessions, it proved to be uneffective. The movie also implies that the more Melvin focuses on Carol, the more his symptoms start to diminish. This is shown in one of the last scenes of the movie. Simon encourages Melvin to reach out to Carol. Ever since the trip, he hasn't stopped thinking of her. As he’s heading to leave the apartment, he realizes that he had left the door unlocked this whole time. For someone who is diagnosed with Obsessive-Compulsion Disorder, forgetting to exhibit one of their compulsive behaviors because they are simply preoccupied with something else is not exactly accurate. For the most part, their obsessions are etched into their minds to the point where they will stop what they’re doing in order to perform their certain rituals. As he spends more time with Carol, his fear of contamination begins to recede as well. Throughout the movie, many of his compulsive behaviors are due to this particular obsession. In the scene where goes to tell Carol how she is the “greatest woman alive”, they both embrace each other as they share a few kisses. Due to his infatuation with her, he starts to realize that his fear of contamination is irrational and begins to become more physical. Later, Melvin pats Simon on the shoulder, which is another thing he never would have done in the beginning of the movie.
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