You have low energy today, especially mental energy, and you need to warm up your brain before you do anything complex.
Your energy levels may be quite low today and you will need to pay particular attention to your mental energy which could use a boost. Deal with anything that's simple, straight forward, and routine first today as this will act as a good warm up for your brain. Then when you have completed these tasks well you can move onto more complex issues, taking momentum and motivation with you.