Shoesession

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Perhaps now would be a good time to bring it up rather than after the wedding.

Try this...
Buy her a pair of heels, don't go all out on expensive stuff, just average price, but look for nice ones. Tell her you'd like her to wear them as something you do in the bedroom.
After a while, when shes used to the idea, tell her about your addiction, and keep it in the bedroom. That way, she keeps her daily comfy shoes to wear whenever, and you get to have her feet and heels whenever you need/want to. It's a win win situation.
Also, dont be afraid to let people know how you feel. I shes gone this far with you, she will understand what you need, and want to fulfill that for you.

Our number one enemy is people not understanding what we like, or us being too afraid to let them know.