I hate to be the bearer of bad news, but if your heels are consistently killing you, the issue might be bigger than just needing to break them in. These signs your heels aren't the right size can help ...
How to wear heels: If you are new to wearing heels or plan to wear them for a long day, the best options to start with are the wedge, platform or kitten heels that have 2-3 inches of heel height ...