The cultural prescription for career success has long included passion as a near-obligatory ingredient. Find what you love, do what you love, bring your whole self to work. It is advice given freely, received eagerly, and, a growing body of research suggests, can be actively counterproductive under certain conditions.

The problem is not with passion itself but with the particular ways it gets operationalized in workplace settings. Research in organizational psychology has identified several mechanisms through which strong work passion can undermine the outcomes it is supposed to produce.

Passionate employees, studies show, are more likely to accept poor treatment without complaint. They are harder to say no to with bad assignments. They work longer hours for less pay, rationalizing exploitation as devotion. Their emotional investment makes them more vulnerable to burnout, because losses feel personal rather than professional. And they can project their passion onto colleagues in ways that are experienced as pressure rather than inspiration.

There is also the credibility problem. Employees who are visibly passionate about their work are sometimes taken less seriously than those who maintain a degree of professional detachment — treated as idealists rather than strategists, as easy to manipulate rather than as reliable negotiating partners.

None of this means that caring about your work is bad. It means that passion, like most things, needs to be managed rather than simply expressed. The most effective professionals tend to combine genuine engagement with their work with a clear-eyed assessment of how the workplace actually functions — an ability to advocate for themselves, set limits, and maintain the kind of perspective that prevents investment from becoming capture.

Knowing what you care about at work and knowing how to protect it from those who would exploit your caring are not the same skill.