From the album Daughter from Hell
This is a song about someone who criticizes emotional distance while actively performing it. She writes notes to no one, retreats to imaginary shorelines, and lives inside her head while standing in a crowded room. The entire song is the cold goodbye she claims to know better than.
Wrote a note addressed to no one, left for somebody to find
She is already doing the thing she says she hates. A note for nobody that is also for somebody is the definition of a cold goodbye. Reaching out while keeping your back turned.
In the hay, I am the needle, there's a hundred blinking eyes / Proving cities are for lonely deer in headlights
She flips the metaphor. Needles are supposed to be findable if you look hard enough. But she is frozen, exposed, surrounded by people and totally unreachable. The crowd does not make her visible. It makes her paralyzed.
And you don't mean to bother, but there's something on my face / It's the subtlest expression, I should change it just in case
Someone notices her pain and she treats it like an accusation. The instinct is not to let them in but to fix her face so they will stop asking. She thinks managing her expression is easier than answering honestly.
I am far out, I'm by the shoreline / I live there in my spare time
The shoreline is not a real place. It is where she goes to avoid being present while technically still existing in the room. She has turned dissociation into a location and started living there part-time.
The song ends where it started, still making-believe cold goodbyes, still aware it is happening. That might be the saddest part. She knows what she is doing and does it anyway.