"my morale is directly proportional to the number (and not necessarily the dollar amount) of PayPal 'new subscription profile created' emails I receive each day

"my morale is directly proportional to the number (and not necessarily the dollar amount) of PayPal 'new subscription profile created' emails I receive each day." Have you considered insulating yourself from these emails entirely? If your morale is so deeply affected by something that doesn't directly affect your bottom line, it will probably cause you to optimize for the emotional boost rather than the bottom line. Perhaps you could instead set a daily email with projected revenue or some other number that does impact your bottom line so that optimizing for the emotional boost and optimizing for the bottom line are the same thing.