They absolutely can, I was my most active at my sickest. The energy and euphoria you get from starvation is real, addictive, and a HUGE part of what makes battling anorex*a so difficult. Having an ED isn't a moral failing, idk why you people keep defending it like it is.
To all the โexpertsโ out there who have been tearing her apart over the last couple of years, a โunhealthyโ person could never sing and dance for 2 hours straight like this