The friend mentioned that she had a mysterious pain at the back of her head.
She started worrying. Wishing well for her friend.
“May be it is because of the root canal treatment I am undergoing.”
“Yes, it could be because of that. May be it is that only. I am sure it is because of the tooth problem. Any tooth or ear problem often affects the neighbouring regions. Check with the doc, it must be that.”
Her mind was at rest. After attributing the ailment to a cause.