My moon, my man.
So changeable and
Such a lovable lamb to me.
The second and third line insinuates a man that's loveable to her, but may not be to everyone, so he's changeable according to who he's with. Lambs are kind and gentle. Because he's changeable, he could be the complete opposite. Mean and rough. Again, according to who he's with.
My care, my coat.
Leave on a high note.
There's nowhere to go but up.
Lambs are baby sheep. Sheep make wool. There's your coat. The moon is her care, her coat. He's the one leaving on a high note, and he only has one place to go - up.
Heart on my sleeve
Not where it should be.
The song's out of key again.
"Heart on my sleeve" means to show your emotions, to make them visible. That's why the song's out of key again. That's "heart on my sleeve" in the song itself. People sing/play out of key when they get emotional.
My moon's white face
What day and what phase?
It's the calendar page again.
There's a lunar calendar like any other calendar, and there are 8 lunar phases.
Take it slow
Take it easy on me
And shed some light
Shed some light on me please
Take it slow
And shed some light
Shed some light on me please
She doesn't want him to be in a rush to leave. It's hard to be separated from the one you love. She wants the moon to shed some light on her because he is her man, after all. Light offers warmth.
My moon and me
Not as good as we've been
It's the dirtiest clean I know
Something is staining their relationship. It could be anything, including time. Every relationship has a honeymoon phase that only lasts for so long. The moon itself is the dirtiest clean. Its surface is covered in huge dark spots.
Everything repeats. She's not leaving this man, given the ending. "My moon, my moon" insinuates that she's staking her claim. It's her moon, no one else's. He's her man.