If you're working at a place where your "performance" is determined by the number of emails that you send at a given hour of the day, then you'd do yourself goo

If you're working at a place where your "performance" is determined by the number of emails that you send at a given hour of the day, then you'd do yourself good by finding an alternative. (If you really love the place and want to fight your "workaholic" team mate, start scheduling a couple of your emails at random times during weird hours.)