Something like this. Three stanzas is the bare minimum; I think four would be better.
## Packing
\(A\) Do I have all my things?
(B) I made a list of them, a physical written list. Every item is checked off.
(C) I have packed everything,
(D) excluding the right-before-you-walk-out-the-door things.
\(B\) I made a list of them, a physical written list. Every item is checked off.
(E) Am I sure I have everything?
(D’) Including the right-before-you-walk-out-the-door things?
(F) Let me look at the list again. Glances at suitcase.
\(E\) Am I sure I have everything?
(C’) I will repack everything.
(F) Let me look at the list again. Glances at suitcase.
(A) Do I have all my things?