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How do i change/adjust my uploaded photo without losing the comments/likes on facebook?

I'm not obsessed for all of the comments and likes, but it feels a bit wierd to get rid of them all. All i want to do is change the width of the photo not the scale (you can't do that on timeline), facebook actually stretched my photo so that my face looks longer and i just want to broaden back to normal. If there is no way to do this, how can i upgrade/upload the photo without losing the likes/comments as if i did nothing?

Thanks for reading