Once upon a time, you bought a bra, and it fit, and you memorized the size, and that was that. No longer, gentle shoppers. Now you have to contend not only with an ever-changing body but also with, ahem, <a href=" http://abcnews.go.com/blogs/entertainment/2012/10/bra-lady-linda-becker-provides-advice-and-support" target="_blank">inflated “vanity sizes” that are meant to flatter, but instead confound</a>. So skip the tag checks, and go straight to the no-nonsense lady with the tape measure. You don’t even need to know what size she brings you. You just need to know it fits, and that it will make your every day (and T-shirt) that much more comfortable.