In 'The Habitation Configuration' Sheldon told Penny that it took Leonard to make him like her. So what would happen if Leonard didn't move into apartment 4A before the Pilot episode?

Leonard asks Penny to take care of Sheldon for the summer while he's gone, and after spending so much time together, Sheldon and Penny's friendship is tested, questioned, and strengthened. But something surprising is happening and they can't ignore it forever.

Penny can no longer take the anger, pain and unhappiness that is her life. So, she makes some big changes, starting with her circle of friends.

Penny feels empty, while the rest of the gang lives their life. She feels her existence is reduced to go from the Cheesecake Factory to her apartment and back again to her boring workday. Her loneliness can be relieved only by a person who has the annoying habit of discovering when she is not well, but lacks the ability of comforting her... or... maybe yes...

People always ask her why she stays. She responds simply and with a smile. "Because I love him."

Sheldon Cooper chose to follow Don Quixote's plan for his life, including only loving pure and chaste from afar. That is, until a beautiful blonde woman moved in across the hall and changed everything. Including his life.

Summary: Sheldon reluctantly takes Penny along to a conference in Las Vegas. Epiphanies are had, stars are gazed, cards are counted, shenanigans are shenaniganed.

Sheldon Cooper is crazy, but also kind of made of awesomeness. Or at least that's how Howard puts it. Penny thinks there's a possibility he's made of sexy, and really, the world must be ending if she has to suppress wayward urges to kiss him.

Penny knows what she wants in life. At least, she used to. Howard and Bernadette's wedding sets off a series of events which will change her life forever. Plans change and Penny will have to learn the hard way how to adapt.

Everyone was so focused on Leonard's crush on Penny that her all-consuming crush on Sheldon goes unnoticed. When Sheldon finds out about her feelings, they go on an emotional and physical journey neither of them saw coming.

When Sheldon moves out, life changes. Rated T for now. *changed to slight M for chapter 12 and chapter 17

The ties that bind Sheldon to Amy and Penny are put to the test

Future!fic! Sheldon, Penny, and Leonard all thought they knew exactly what they wanted, but with a big change on the way, all three begin to question themselves, and each of them is lead in a direction they had not anticipated. Completed.

*Complete* Every journey has to start somewhere. This one began when Penny found an alternative to paintball, and Sheldon dusted off an old skill.

Sheldon and Penny are friends. Right?

COMPLETE: Leonard never believed in evolution as a scientific fact. That was, not until he saw it happen before his eyes. Penny/Sheldon.