Write the next sentence in this paragraph:

How to explain your chronic pain to others
Explain your condition.
To start telling someone about your chronic pain, you should explain to them the root of your pain. You may not feel comfortable giving specific details, and you don't need to.

Options are: (I) Talk about your symptoms until you have come up with the most forward-thinking answers to your problems. Explain that chronic pain causes pain based on many causes, but it can also be caused by multiple factors: you suffer from allergies, personal autoimmune disorders, and sexually transmitted diseases. (II) However, you don't need to be super detail-driven when describing your pain. You want to use details that serve as background to your story, but also explain exactly what you are describing to others. (III) But when describing your pain, be upfront about your severity. Think before you tell someone about it. (IV) You may want to tell the person what hurts you, like your back, head, or entire body. You may also choose to tell them the cause, like lupus, fibromyalgia, or ibs.
(IV)