Engaged workaholics are distinct from the classic, compulsively driven worker who can't unplug ever and always feels like he or she should be working and suffer greater-than-average ill effects: more conflicts at work, less job satisfaction, poorer social relationships, more heart attacks, more divorces.
Engaged workaholics may dodge some or all of those nasty repercussions for one simple reason: They love what they do. They get a kick out of it. They don't feel stressed by it.
The engaged workaholics didn't have burnout anywhere near the level of the workaholics, suggesting that loving work may buffer the stress effects of working too hard. They are people who work really hard but know when to quit.