I moved to a 4-day week at the beginning of the pandemic due to a salary reduction. it was so good for my productivity and mental health that when we returned

I moved to a 4-day week at the beginning of the pandemic due to a salary reduction. it was so good for my productivity and mental health that when we returned to full pay i negotiated to continue the pattern but switch from 4/8 to 4/10. No objections.