Take a break. This might sound like a silly thing but it is vital to your mental health and the health of any story you are writing. The majority of authors I have met often fall in the category of introverts- myself included. I’d be perfectly content if someone dropped me off at a cabin in the middle of nowhere with my computer. I could even rough it and be content with a notebook but man I hate having to type everything up from a handwritten note.
Challenge for You: Go for a walk. Take some time to step away from your story.