Prologue
Disclaimer: I don't own Criminal Minds
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Desiree Morgan loved her older brother a lot and she was willing to do anything to protect him or make him happy.
She had known for a long time, maybe even before him that he had strong feelings for one of his co-workers.
And she had sensed that even if they were always flirting like mad, nothing would come out of it; Because Penelope Garcia didn't want to have a relationship with her brother.
That truth makes her angry because she knew that deep inside of him Derek was hurt and unhappy of this situation.
And because she loved her brother so much, Desiree wanted to make Penelope realized that she was wrong messing with her brother heart.
A/N: So should I continue? Don't worry Desiree isn't a psychopath!