Congrats and thanks for sharing, you rock :)
It's really nice to get updates from folks who posted an Ask HN. Especially with a positive outcome.
It's really not uncommon for humans to find energizing work energizing, and for that to affect their overall quality of life. Plenty of people are comfortable checking boxes and going home early, sure, but that can be a slow death to a lot of folks (even some who might not realize it).