NOTE FROM TED: This talk only represents the speaker's personal views and understanding of language-learning and the brain. TEDx events are independently organized by volunteers. The guidelines we give TEDx organizers are described in more detail here: For her 4th TEDx talk, J Lou will venture into the science behind language and the brain, and the study that everyone should learn a second language. Experiences as a third culture kid is a reoccurring theme of her viral content, and J Lou looks forward to sharing her journey growing up in Hong Kong and what it really means to be a Third culture kid. J Lou is a Hong Kong-based internet sensation whose comedy videos have captured millions around the globe. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at