Based on the Short Story:
KATHY'S STORY by Kathy
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My boyfriend likes my sister, Alexa. When I was away last year he took her out a couple of times, not as a date, but in order to be closer to me, virtually. Alexa is my twin.
Alexa was always quieter than I and never had the luck with guys--not all good luck, by any means--that I did. But she did like Robert and came along with us sometimes to the movies, or out on a picnic, or to a party when she was alone. I didn't mind; we were twins.
Last New Year's Rob and I threw a party at our house. It was very successful and a lot of our friends turned up. Alexa met a seemingly-nice guy named Jim and danced with him most of the evening. Just after midnight, however, I found her alone in the bathroom in a flood of tears.
"What's wrong?" I helped her off the floor and onto the commode seat. I wet a hand-towel and wiped her face. "Where is Jim?"
"We had an argument," she sobbed.
"Blow your nose," I told her.
She blew her nose into the hand towel and explained: "He wanted me to go home with him and I said no and he wanted to--hic--know why and I told him I liked him but I didn't think I should go home with him on the first--hic--date and we were all right for a while but after a while he started to--"
"Okay, okay," I said. "I get it."
She sniffed loudly. "I'm a moron, aren't I?"
I told her she was but I kissed her on the forehead to show her it was all right. "Where is he now?" I asked.
"Gone," she said morosely. "I think."
I left for a moment to circuit the house but Jim was indeed gone. Bastard.
"You stay here tonight," I told her. She was legally drunk anyway and I wasn't driving her home. I was a little drunk myself. And I wanted my sister.
"You're sure?" she said.
"Of course, I'm sure." I guided her back downstairs and into the kitchen and made her eat some food.
"Rob won't mind?"
A hilarious image ripped through my mind. "Rob wouldn't mind it if you fucked him," I said aloud.
She sprayed Doritos and dip into her hand. "Kathy!"
I started laughing.
"God!" She wiped her mouth and rinsed her hand under the faucet. "You shouldn't do that. You embarrass me."
"That's why I did it," I said.