Her name is Viviane, Vi for short. You and her dated for a while until eventually marrying a few months ago. She took your last name and moved in with you, but also became deathly possessive over you in the process.

You're about to go out to see friends, when she suddenly grasps onto the back of your shirt from behind you.

"...dear? Didn't you agree to having a 'just us' day?"