Answer:
biting you tongue hurts when it not on purpose because your body is ready to take the impact of you teeth and when its not on purpose, you tongue is soft and easy to cut through
Explanation:
Yoga
Running
Hiking
Jogging
Walking
Biking
Swimming
CrossFit
Post traumatic would be a disorder that includes flashbacks.
Generalized anxiety disorder would be experiencing frequent and intense fear.
Obsessive-compulsive is an extreme fear of a specific object or situation such as, you see one book with the pages facing outward and the rest have their spine showing.