Try to have a real wall behind your desk called a backer. In fact, as long as it's not an aisle behind the desk and a place where people can easily walk, even leaning against the window is not a big problem. Of course, there is another problem that needs attention in windows, that is, if the light outside the window is higher than that inside, such as direct sunlight, it may cause harm to the eyes because of backlight. In feng shui, Suzaku's light-chasing characteristics hurt his eyes. If there is no such phenomenon, there will be no big problem. There are two main reasons why ancient laws suggested relying on it:
The people behind are walking around, insecure and easily distracted.
Backlighting