I took from it that the suicidal person's time horizon got shorter and shorter until a moment before dying they're focussed on the most minute of details (liter

I took from it that the suicidal person's time horizon got shorter and shorter until a moment before dying they're focussed on the most minute of details (literally crumbs) and unable to look further ahead. There may also have been a sort of parallel between stomach pains and mental/emotional pain.