WAIT OMG
HARMONY DOES THE SAME THING I DO WITH MY ARM
sometimes when i'm just standing around or when i'm walking i'll subconciously leave my left arm stiff hold my arm out. idk why i do this, it's involuntary and i find myself doing it all the time (i'm sure it looks weird lol)
you can see her doing it in this image with her right arm
clearly meant to be

https://media.freak.university/media_attachments/files/111/072/774/654/832/651/original/3469d045a63639a3.png