The job will not kill if you take care of your need for rest and take breaks. There are variety of items of job. Instead of doing a single item, you may switch over to another item. This also relaxes. But do not take more rest than required. It is also positive attitude towards work that ensures that you enjoy the job. If you enjoy your job, this will certainly not kill you. Rather this will entertain. There are workaholics who enjoy the work.