There is a gland in the brain-not quite in the brain, but surrounded by it, called the pineal gland, that, in the second before death, lets forth a torrent of dimethyltryptamine, a mind altering substance believed to make the transistion into death painless for the mind.
He liked the pretty colors, the red, the gold, but most of all, the green. The green just like her eyes. It was safe. It was warm. It was secure. And for the first time in longer than he could remember, he was happy.