The workload can pile up to more than what one person can do. Also, Management tends to push great workers beyond a healthy amount of tasks.
If you feel pressure at work, maybe you are slow and you can become faster. That's an option.
But, if you feel the work is too much for one so state it. Superiours will take care of workload if they feel it too - by workers who notify about it and by clients who complain that the work is not done.
Balance your life and work. Prioritize your life.
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