I know nobody asked, but it irks me when authors throw around huge numbers without really thinking about it. A hundred would've been more than enough, but a million? Really?
Even if she spent just one week on each of her lives, that would still be over 19,000 years, almost four times as long as recorded human history. If she spent years each time, that's beyond ludicrous. And you're telling me she spent all that time chasing this dude?