Libby | The Big Bang Theory Wiki | Fandom
Libby is a teenage who was Sheldon Cooper's first crush. They met in 1989, when she was 16 and he was 9. Libby helped Sheldon gain an interest in geology by introducing him to rocks that can shine bright diverse array of colors in the dark, helping him realize that tectonic plates are what helped lead to a diversity of animals upon different continents to the point many exotic animal ...
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