What does Penny do?

She waits until Sheldon is alone

For an almost an Month Penny tried to see if Sheldon was an alone but Raj and Howard were with him 100%, Leonerd moved back to New Jersey, So Sheldon was alone until Raj moved in after getting cut off by his parents for an Year. One Day Penny noticed Raj spoke up "I'll be back I am going shopping". Sheldon gave Raj his American express card, " Its for you want the Expansive stuff" said Sheldon, Raj say thank you, Penny smiled "Here we go" said Penny, She was wearing an Black Dress which shows her Assets. Sheldon and Her don't need an condom since they want an baby together. She walked in the room, She noticed it's different compare when Leonard lived there. She unzipped the dressed and She let it fall, She was naked in Sheldon's apartment, Sheldon's door open, She decided to posed for Sheldon, An Dark shadow was staring at the hot naked friend of Sheldon.