Meaning of "How" by Lisa Loeb

The lyrics of "How" by Lisa Loeb delve into a sense of boundary-setting and self-preservation in the face of someone who constantly questions and intrudes on personal matters. The repetition of "how does your heart beat, and why do you breathe?" reflects the relentless probing of the other person, leading to a feeling of being misunderstood and invaded. The singer asserts their own identity and independence, rejecting the outside influence and overbearing nature of the individual in question. The mention of letters that "go on forever" and people who were "never friends" hints at a history of strained relationships and past experiences that have shaped the singer's current desire for solitude and freedom. Overall, the song captures a sense of frustration, independence, and the need for personal space amidst external pressures and unwanted intrusions.