Make sure you have some idea of why you want to do grad school. Don't just do it because you feel you need to, or want a distraction. And if your program requires a thesis/dissertation, make sure you are really passionate about the subject. Like, as passionate as the people who make three-hour video essays are.
There is truly nothing so captivating like delving into the mystery around stolen works of artβwho took it, where did it go, was it ever recovered, whose art, what motivations??? Donβt even get me started on the Isabella Stewart Gardener of it all.