If you can't find the meaning and fun of your work gradually, you may want to reflect on whether you have tied the work and external rewards too tightly to forget your original intention and purpose. The happiness of work comes from the affirmation and desire of the heart. Carefully discover the fun and value of the work itself, and make learning and work become interesting things to "do for yourself".
Stress reduction is now said to be everyone's essential life skills, after all, the pressure is always there. Many people have their own very suitable set of stress reduction methods, not only to make the body feel relaxed, but also to maintain mental health.