It would be nice if the employer also cared in return, however in my experience, this is exceptionally rare. I think more than a fair share of us here learned our lessons in investing ourselves rather sharply. It rarely, if ever, pays off for the worker.
This is my experience as well. As a former freelancer the standards I hold myself to are exceptionally high. Then I got employed and carried that standard with me (still do). The problem is that this means work will be pushed my way, because I am sometimes literally the only person who can do it within a day instead making it a month long project. This led then to such an amount of work that I could mo longer hold th…
... or you become a menace to your boss. :-)