My idea is to give yourself time to enjoy doing an activity for X amount of time every day.

For instance: Work in the morning on tasks. Then, give yourself 30 minutes in the early afternoon to _____. Set a timer, if you need to. When time is up, then get back to your work. After work, give yourself another 30 minutes doing something else enjoyable. Hopefully, you will have a few minutes here and there splattered throughout your days to enjoy as well.

Best wishes to you!