> First there is the issue of vacations foreshadowing retirement, which is a partial death. By the age of retirement, your profession has become a big part of who you are, and the justification of your existence. So when you stop working, you end that pretty big and central part of you.
This is primarily a feature of Protestantism: if you don't do good work, you don't get in to Heaven. Other religions have nice little hacks for getting around this gamification of over-employment. I recommend finding one or two of them and incorporating them into your own life: after all, we should probably enjoy what little we have while we have it.