Perhaps. Though I've found a few single decisions can vastly change the course of one person's life.

[Still, she's not quite disagreeing with him, just chatting.]

I knew a man like that once, in fact. In one life, he found religion and chose to be a preacher, spreading God's word and dealing in prophecy; in the other, he became an alcoholic wreck, a man who lived for nothing more than the next bottle.

Oddly enough, it was the former who was the worse man.