This quote presents an intriguing juxtaposition between perceived innocence and underlying strength or resilience. The speaker asserts that people tend to believe they are sweet or harmless, perhaps underestimated in their true nature. The mention of Emma throwing the speaker's sister through hurricane-proof glass symbolizes a significant act of force or protection—a barrier so sturdy it can withstand natural disasters. This vivid imagery suggests that beneath a facade of sweetness, there is a formidable strength, capable of defending loved ones against even the most destructive elements.

The conversation hints at themes of perception versus reality. The idea that others think one is sweet may imply they are perceived as vulnerable or kind-hearted, but the actual strength lies in the capacity to protect and empower. It reflects a common human experience: people often judge by appearance or initial impressions, failing to recognize the resilience or fierce protection that lies underneath. Moreover, the act of throwing a sister through hurricane-proof glass might symbolize a protective rage, defending loved ones from chaos or natural calamities—metaphoric for life's hardships.

From a broader perspective, this quote delves into the complex nature of identity. It challenges notions of superficial sweetness and suggests that true strength often resides beneath the surface, hidden until needed. It also conveys a sense of betrayal or surprise—Emma's action might have been unexpected, breaking the simplistic understanding of perceived gentleness. The narrative invites us to reconsider our assumptions and recognize the multifaceted aspects of personality and strength, especially in the context of familial bonds and protective instincts. Overall, it speaks to the layered identities people carry and the importance of looking beyond appearances to appreciate true resilience and inner power.