Small stuffs around you in your working space can be the things that upgrade your office life tremendously. It's such a small and simple thing but you'll feel the different.
Water is important. Put water bottle near you will help you remembering to drink all of the time while working.
Amazon Best Sellers: Best Insulated Bottles
I know, you're staying at the office but having a comfortable shoes will boost your mood. It'll convinience your movement too.
Shop All Comfortable Women's Shoes - Aerosoles
I love to write thing manually. For me, it helps my brain to process it better. I also love to put my to do list, then checklist it after finish. It brings another kind of satisfaction. How about you?