Because she give and recive presents.
2) What does Penny give to Sheldon?
A napkin with a Leonard Nimoy signature.
3) Who's DNA is on Sheldon gift?
Leonard Nimoy
4) What does Sheldon plan to do with the DNA?
Create a new Leonard Nimoy
5) Leonard received what as his gift? What is lesson one?
A motorbike lessons, and not fall off the motor bike before starting.
6) Sheldon thinking that his gifts are not enough to thank penny, does what?
Sheldon planned to have multiple presents ready for Penny so he could give her a present equal in value to the one she gave him.
7) How would you describe Sheldon?
Is a very inteligent man but is a bit nervous and extressed, is a very good friend and is very generous.
*Bonus: Who is Leonard Nimoy?
Is a protagonist of the very popular film Star Trek interpreting Spock.










