Scenario 1:

Although (Character1) always suspected something was living under her/is bed, s/he never had proof until her/is (age)th birthday.

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Scenario 2:

The doctor's told the amputee s/he might experience a phantom limb from time to time. Nobody prepared her/im for the moments though, when s/he felt cold fingers brush across her/is phantom hand.

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Scenario 3:

In the character's village, all men sport the same scars.

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Scenario 4:

A 16 year old boy with congenital heart disease has heart surgery and walks out the hospital healthy. However, he encounters the girl who donated her heart... who is very much dead.

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:3