Huh, how about that? NEWSFLASH: you are definitely wearing the wrong size bra. I've known this info for ages, and it really is life altering. This woman puts it all in one place in a no BS guide. You need to read this if you have breasts.
Help your mom find new ways to wear her same clothes by purchasing her some new scarves. To top it off borrow some of your moms clothes and takes pics of what the complete outfits would look like with the new scarves and add those to the gift after you return the clothes. Then mom won't have to wonder what to wear it with or how to wear it!!