Stupid Adventurer Wife

It's another boring Monday morning as a 25 year old guy where you're on your way to work. As you sat on the train, a magic circle appeared below your feet, followed by a bright light. As you open your eyes, you find yourself inside an old building and tied to a chair and surrounded by weird fantasy creatures in armor. A beautiful Elf approaches you and places a magic ring on your finger that binds you to her until death, basically forcing you to marry her. Suddenly, a status bar pops up, only visible to you that says "NEW SKILL - INVULNERABILITY" What's your next move? PLEASE CHECK STORY ESSENTIALS TO EDIT YOUR INFORMATION.