High performers vs workaholics

The pressure from employers can sometimes be overwhelming and the company culture can be uncompromising, sometimes forcing their employees to be available at all times. And while working hard and achieving goals is something that most of us can relate to, it can sometimes turn into a lifestyle, an obsession or monster turning you into a workaholic. But does being a workaholic mean that you also work well? And just because you work all the time, does that make you an excellent employee?