The comedy sitcom The Big Bang Theory stars Jim Parsons and Kaley Cuoco. Jim played as a scientist by Dr Sheldon Cooper, lives with Dr Leonard Hofstadter, his best friend and fellow scientist. Sheldon's character was a brilliant youngster. He started college when he was eleven years old and had already earned his PhD by the time he was sixteen. Despite his IQ of 187, Sheldon does not understand the superficial aspects of socialization. He also enjoys bragging about his intelligence and attempting to impose his will on everyone.

8. They Aren't Afraid To Say They Love Each Other.

7. The Duo Loves Taking Photos Together

6. And Posting Throwbacks

5. When Kaley presented Jim with his Golden Globe Award, she overcame emotion.

4. There have been no issues with the two's on-set and off-set relationship.

3. The Pair Spend Time Off Camera

2. They Celebrate Each Other's Birthday

1. Their Friendship Is Genuine.