love to dance but have bad feet and knees

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I love to dance but shoes hurt my feet unless they are something like Merrills like older women wear (I am 67.). I have dance shoes with a swede soles but the soles are thin. Due to some nerve damage in the bottoms of my feet I need something thicker and softer on the bottom. I have very wide feet, bunions and a middle hammer toe on one foot and hammber little toes. I've never been able to find my size even when my feet were younger. I wear a size 3 in length with this wife shoe so nice women's shoes are impossible to find now with all the other problems. Any type of exercise or dancing is painful. If I wear tennis shoes they stick, don't glide for dancing and it is painful to my knees. I'm exasperated trying to find shoes, especially something to dance in! Any suggestions are welcome and appreciated.