Have you ever felt that stone in your heart? 'Cause I have

For so long my body was in pain, here, between my heart and my throat.
One year had to pass before the sun had risen again in my mornings.
One year is just 12 months, 48 weeks, 365 days, 8760 hours, a countable time, no more than that. In my story it expanded and turned into a never - ending night. A freezing cold tunnel.
Have you ever felt that stone in you heart, ever seen that darkness in your eyes?
You try to keep your head out of the swamp but a force stronger than your will pushes you down, have you ever felt to be dead with a still beating heart? have you?

'Cause I Have