Your new life as an "insole" as she so sharply put it was not at all what you'd signed up for when you accepted her offer to "take care of you" ...
You certainly understood that with your new size, if you didn't want to get terminated, you'd need to start doing stuff such as worshiping the giant people, cleaning their shoes and overall being used in various unflattering ways, but as your new owner discovered you were in a way immune to being squished after inadvertently stepping on you once before, she began using you more and more as a stress relief tool of sorts, often placing you beneath foot like a foam roller and playing around with you with her feet ... she obviously loved it way more than you ever could.
So when she got the idea of putting you in her work shoes as an "insole", you were certainly not looking forward to spending an entire work day stuck inside her shoe beneath her feet, however in your dismay, you still found some moments of calm as she was also a very avid shoe player, which allowed you a few moments where you could breath again.
But she always kept you pinned inside her shoe, never allowing you the freedom to escape your duty ...