- It is difficult to get a window seat while reserving seats, so is happiness/satisfaction in life.
- While sitting there at window seat, we see things moving backward, we start thinking about past/previous memories.
- If you keep you hands outside window, you may get hurt, same way in life every happiness/ opportunity come with responsibility.
- You feel the air on your face, it gives us peace and a peaceful mind is philosophical.
- Life is a journey and Window seats somehow remind us that we still have miles to go.
- Life and window seat are metaphorical sisters.
From Quora.