I say kankles just happen to people. I know plenty of thin girls who have them. I call them "tree trunk legs".
For me, I always said I wouldn't date a bald guy (aboviously he might become bald but I didn't want him to start that way!) or a guy with bad skin.
My husband was thinning when I met him and doesn't have the nicest skin. Oops.
BUT, he never wore deck/boat shoes - a total deal breaker for me!