15 Reasons Why Sheldon And Penny Have The Most Awesome Friendship

Sheldon and Pennys friendship have been on an increasing arch throughout all twelve seasons of 'The Big Bang Theory'. Penny is like an older sister to Sheldon, she's taken him under her wing, trying to get him to function like a 'normal' person and navigate social situations. She has a way with him that none of the other characters have. Here are 15 reasons why Sheldon and Penny make such awesome friends!