Repelling

They were opposites but...

"I don't want to get f……" Sharon hesitated but typed the word.

"What?" Charles said loudly. The person next to him in the airport lounge gave him a stare. 

"Sorry" Charles signed off the chat. Whenever they chat, it ended with strong words.

Charles knew how to handle such delicate, emotional situations, but Sharon refused to come out of her mind block. 

He understood something was wrong that needed his immediate help. But who will help him to find it out?