From keeping her laces (corset strings) too loose. Same thing with "straight-laced"--nothing fancy with the lace pattern. All kinds of corset lore out there. My favorite, though, is the Gibson-era (90's) cartoon where a puzzled husband is helping his wife with her armory and saying, "Funny. I thought I tied it in a bow this morning."
More than you want to know about the history of costume.
No, unless you really are 57, bald and hairy, and then yes.