Sadie sat in a coffee shop, thinking over all that happened.

When I get to the bottom

She already was. Rock bottom, as the expression goes. And her cat Rocky. He looked like a raccoon. Her only comfort now.

I'm coming down fast

She had started slipping down into this wonderland of depression a long long time ago at a rapid pace.

but I'm miles above you

Dr. Robert's party. They were miles above everyone due to the pink punch they'd had.

Don't let me down

But he had. Everyone had.