In some of the stories of the very mature nature, some of the femme fatales of Tails give him a decent explanation for wanting to have some "FUN" with him.
Probably not related, but Tails' design is based on the mystical kitsune, who were considered spirits of fertility. Also agriculture if Cosmo is involved.
Probably not related, but Tails' design is based on the mystical kitsune, who were considered spirit