But he didn't erase himself.
Here's the stinker.
If he got the wife back, she'd be married to another Annorax already native to this freashly created new universe and old Annorax from out side of time would have to get rid of himself "somehow" or set up some sort of timeshare solution.
And really after 200 hundred years how could he be anything close to the man she fell in love with? And after 200 hundred years how could he see her as anything less than a child once all the ressurectiongoogles have been lifted off?