He was hospitalized.
He got into a two-people room and hence met a roommate. The roommate also met in an accident and lost an arm, and she was in a fatal state. She also did not had any family members, and Randy wanted to care for her. He talked to her frequently and listened to her problems well. They became very close friends.
After a month, Randy had finally recovered and could leave.
On the day he was discharged from the hospital, his roommate was away. She was busy with her surgery. However, he was too excited to go back to his home and meet his friends that he just left without waiting for his dear roommate.
Randy enjoyed his life with friends and games as he was no longer sick, and totally forgot about his roommate. After a few days, he remembered about his sick roommate and felt extremely guilty.
'I must go back to the hospital today and talk to her, and see how is she doing.' Randy told himself.
After he played and ate dinner with his friends, he went back to the hospital to meet her.
When he entered the hospital, the nurse at the counter told him, as if she was waiting for him to visit the hospital.
"Your roommate misses you so much. You may visit her room now. Oh wait, she asked me to pass this 'friendship' badge to you".
Randy received the badge, and put it inside his pocket. He felt really happy, and went into the room where he was previously hospitalized with his roommate.
But, the light in the room was off, and his roommate was sleeping.
She was covered in a blanket and was facing the other side of the wall.
Not wanting to disturb his sick roommate, he just left quietly, feeling disappointed.
Randy left the hospital and when his taxi arrived, he looked up at the window of his previously hospitalized room. His roommate was awake and standing behind the window!
He could not see her face clearly, but he smiled at her brightly and waved both of his hands at her.
He could see her smiling, and she also waved both of her hands at him.
Even when he enterted the taxi, he lowered the car window and waved his hands at her as the taxi left.
He was so satisfied to see her.
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<Story Explained>
The key words you need to take note is: 'lost an arm' and 'waved both of her hands at him'.
How could she wave both of her hands when she had already lost one of her arm?
<After Story>
The night when Randy was about to sleep, he suddenly realized.
"Wait, WHAT? How did she waved both of her hands at me just now? What the hell? Fuck! Did I saw it wrongly?" Randy told himself. Feeling extremely scared, he just slept.
The next morning, he quickly went to the hospital again. The nurse at the counter was a different nurse from the previous night.
"Hello miss! I would like to meet my roommate, the girl who was hospitalized with me a for a month!" Randy demanded at the nurse.
The nurse gave him a shocked and a puzzled look, "Sorry sir? Your roommate passed away two days ago. Didn't you know?"
Randy started to tremble.
"Oh, your roommate asked me to pass this badge to you before she passed away." the nurse passed the 'friendship' badge to him.
"How can that be??? I have already reveived that yesterday..."
When Randy put his hand inside the pocket, it was empty.
