Why?

[Mark Kohut]

MB "Not surprisingly, his response to losing his job and wife and finding
the
posthorn is a non sequitur:

“Idly, he peeled off a stamp and saw suddenly the image of the muted post
horn, the skin of his hand showing clearly through the watermark. “A sign,”
he whispered, “is what it is.” If he’d been a religious man he would have
fallen to his knees. As it was, he only declared, with great solemnity: “My
big mistake was love. From this day I swear to stay off of love: hetero,
homo, bi, dog or cat, car, every kind there is. I will found a society of
isolates, dedicated to this purpose, and this sign, revealed by the same
gasoline that almost destroyed me, will be its emblem.” And he did”

Understanding is a non-sequitur when you can't understand. He loved her,
wanted to stay married
to her. So, he finds his blame....very normal for many who give up
"relationships' after a major one fails.