Happy to have entertained, @FatAmy123. But, honestly, as someone obsessed with clothes I don’t think I’ve ever once in my life looked at someone and thought Oh look, there’s an upside down triangle!
If someone is particularly well dressed I’ll probably notice; if they’re so badly dressed (odorous / unkempt) as to be completely out of place that also might be noticeable; someone wearing a jacket that makes their shoulders wide - I’d only notice if the jacket was remarkable. Your shoulders simply wouldn’t register.