This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood Disorders, Subject name: Psychiatry
A depressed patient does not want to take medication on a daily basis. The selective serotonin reuptake inhibitor (SSRI) most suitable for this patient is? 
Select and explain. 
A. Escitalporam, B. Fluoxetine, C. Fluvoxamine, D. Paroxetine
B: Fluoxetine
Answer: B: Fluoxetine 
Explanation: The half life of fluoxetine is longer than 72 hour so patient can take the medication every other day and thus it is most suitable for him.