Meaning: The quote you've provided seems to express a sense of disappointment or disbelief in someone's actions, specifically in relation to marijuana use. The speaker, Tommy Rettig, a former child actor, appears to be expressing his dismay at seeing someone he admires or respects engaging in what he perceives as self-destructive behavior.

It's important to note that the context of this quote and the identity of the "great man" being referred to are not specified. However, it's clear that Rettig's words are laden with a sense of disappointment and perhaps even a feeling of betrayal. The use of the phrase "How could this great man do this to his life?" suggests a deep sense of personal investment in the individual's well-being, as well as a belief in their potential for greatness.

Marijuana use has been a topic of debate and controversy for many years, with opinions on its effects and consequences varying widely. While some people view marijuana as a relatively harmless recreational substance, others see it as a gateway to more serious drug use or as a detriment to physical and mental health. Rettig's statement reflects the latter perspective, indicating a belief that marijuana use is detrimental and that it runs counter to the potential for greatness that he sees in the individual in question.

Tommy Rettig's own life experiences may have influenced his perspective on drug use. As a former child actor, he likely witnessed firsthand the challenges and temptations that can face individuals in the entertainment industry. Substance abuse and its impact on the lives of those in the public eye are sadly not uncommon, and Rettig's words may stem from a place of concern for the well-being of the person he is referring to.

It's also worth considering the broader societal context in which this quote was made. During the time when Rettig was active in the entertainment industry, the United States was experiencing significant cultural shifts, including the counterculture movement of the 1960s and 70s, which saw increased experimentation with drugs, including marijuana, as a form of rebellion against societal norms. Rettig's disapproving stance towards marijuana use may have been influenced by the prevailing attitudes of the era, as well as by his personal values and beliefs.

Ultimately, Rettig's quote prompts contemplation on the complex interplay between personal choices, societal attitudes, and individual potential. It raises questions about the impact of substance use on one's life and the expectations and disappointments that can arise when someone we admire appears to make choices that conflict with our perception of their greatness. It also serves as a reminder of the importance of empathy and understanding when considering the actions and challenges faced by others, especially when those actions may differ from our own beliefs and values.