I think you're confusing "comfortable" with "productive". At some point in life a job is just a job and the job of the job is to get the job done. I'm happiest

I think you're confusing "comfortable" with "productive". At some point in life a job is just a job and the job of the job is to get the job done. I'm happiest when I get it done, when everyone around me gets it done, together, on time and well.