Someone's standing on my chest.

"I felt guilty." What could you mean by that? Something that's really not even a big deal? Or something that's going to make me feel horrible? Why would you leave me hanging on to those words until tomorrow? All night, I've felt like an elephant is standing on my chest. I can hardly breathe and every time I manage to distract myself from it, it comes back like a ton of bricks. Please let everything be okay.