Lin

1. It took a long time for her to develop earth bending. So long, in fact, that she believed that she was a non-bender for most of her childhood. Not wanting to disappoint her mother, she enlisted the help of Tenzin to airbend rocks to make it seem like she could earthbend.

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2. Lin's favorite of her mother's friends was always her "uncle" Sokka. Secretly, Lin wished that her mother would marry him. Because he brought her the best presents.

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3. Lin was very beautiful, especially in her younger years. She got many propositions from several boys but turned them all down. She told them all the same thing.

"I'm sorry, but I've got my heart set on someone else. And I'll wait forever if I must."

And that promise to herself was never broken.

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4. Lin is a terrible cook.

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5. Tenzin took Lin airgliding on their first year anniversary. Lin loved being in the air so much that she begged her mother to teach her metal bending faster so she could use the metal cables as a way of becoming airborne.

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6. When Lin first met her grandparents, she was afraid because she was born out of wedlock and was considered an 'illegitimate.'

Upon sight of her grandchild, Poppy put a hand to her lips and several tears fell down her face. She knelt down and whispered, "Lin is a name meaning 'pretty' and how it suits you."

Lin could see that her mother was also happy and relieved, so she let herself break out into a smile and give both Lao and Poppy a long hug.

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7. Lin became a stickler for rules when she was appointed Chief of the Police Force. Because she had so many lives to look out for, she learned that she could no longer goof off. There was too much at stake.

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8. One of the best things Lin learned about herself whilst still in school was that she loved to sing.

She decided to write a song for her mother as a gift, and Toph loved it so much she asked Lin to sing it for her often. Lin was happy to oblige.

Lin's song was the last thing Toph heard before she died.

And Lin hadn't sung a single note since.

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9. When Amon took away Lin's bending, the only thought running through Lin's head was "It's worth it to save them."

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10. After the Equalist movement ended, Lin ended up becoming closer friends with the airbending family – Pema and kids included. In fact, despite her protests that she disliked children, Tenzin would often have her hold Rohan.

And, when she thought Tenzin wasn't listening, Lin would whisper to the baby stories about his family. She would rock him for hours; a ghost of a smile would come across her face and she would silently stroke his hair.

"You're a very lucky boy to have a mother and father as great as Pema and Tenzin."