.backwards Read .end with Begin // Begin with end. Read backwards.

Guilt.
.past is All
.remembered is everything, yet done is Nothing .throat in, lodged stone, a stomach in, low hanging Sadness .eyes, your to tears sudden brings, and unexpectedly creeps Guilt

Guilt creeps unexpectedly and brings sudden tears to your eyes. Sadness hanging low in stomach, a stone lodged in throat. Nothing is done, yet everything is remembered.
All is past.
Guilt.