The phrase "reasons why" is often associated with explaining causes or motivations behind something. One prominent cultural reference is the TV series "13 Reasons Why," which revolves around the reasons a teenager named Hannah Baker chose to end her life, detailed through a series of cassette tapes she left behind. The phrase broadly relates to uncovering explanations, causes, or justifications for events, actions, or phenomena. If the inquiry is seeking more general reasons or motivations behind a specific topic, it would help to clarify the context or subject for more precise information. Regarding "13 Reasons Why," it is a Netflix series depicting sensitive issues such as suicide, bullying, and mental health struggles, revealing multiple interconnected reasons behind the tragic event of the protagonist's suicide through narrative storytelling.