Your phrase "arriving somewhere but not here" evokes a sense of movement, transition, or longing for a different place or state. It can be interpreted in various ways depending on context-literal travel, emotional or mental states, or metaphorical journeys. Would you like me to help you explore this phrase further? For example:

• Writing a poem or short piece inspired by it
• Analyzing its meaning in a philosophical or emotional sense
• Suggesting ways to use it creatively in writing or art

Let me know how you'd like to proceed!