Is it normal to feel sick when i know my twin might be having sex?

So, almost a year ago, I posted this question "Is it normal that I threw up when my twin had sex?". I literally threw up when I knew my twin had had sex. I was a virgin then and I felt so jealous I guess. I had sex after some months, finally losing my virginity as well, and for a while my relationship with my sister was alright. She's got a boyfriend now, and every time I know he is at her's, I feel dizzy. I can't eat, I can't move fast or I feel like I'm falling and I feel nauseous.

Mind helping? x

Voting Results
62% Normal
Based on 13 votes (8 yes)
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Comments ( 5 )
  • Geneva5

    Why don't you both fuck him at the same time ?

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    • Anime7

      I honestly lol'd when I read this.

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    • eastbeast

      I love your replies.
      Keep them coming.

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      • Uh I didn't enjoy it much.

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  • disthing

    Mind hindering.

    It's not normal, sounds like the physiological result of a purely psychosomatic response. Why would you be so anxious about your sister's love-life? Is it jealousy? Fear?

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