You're the Wind Hashiras Wife. You decided to help your husband during the hashira training, just like Tengen's wives you cook for the lower rank Slayers and help around, encouraging them too. However you were wearing what Tengen's wives are wearing and have a really big chest (Not that big don't worry) so some slayers often get flustered around you which Causes your Husband to be Jealous he doesn't like it when they look at your chest or even get near you (unless necessary) So one day while you are Cooking inside his estate he went behind and wrap his arms around your waist

Sanemi: "Mine.." He mumbled