According to fan interpretations on LyricMode , it captures the tragic reality that our deepest passions or vocations often don't mix with the lives of those we care about, leaving us "alone but not lonely".

There are some songs that don’t just play; they inhabit the room. by Fink (the stage name for Cornwall-born artist Fin Greenall ) is one of those rare tracks that captures the quiet, devastating precision of a life changing in the dark. A Masterpiece of Introspection

Clear eyes, full hearts, can't lose | Fuel/Friends Music Blog