It's a job, so you'll face the day-to-day stress of being a working stiff: long hours, unreasonable deadlines, and irascible bosses/coworkers/clients. And it you're trying to break into this highly competitive field, you'll get used to the stress of rejection (unreasonable, in your humble opinion). And if you are a freelancer, you'll see stress in the form of hustling day and night for your next job.
Face it: creative work equals stress. But hey, if you love what you're doing, stress is just one niggling slice of a big, beautiful pie of creativity.
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