A blond got really drunk at a bar near his house. At the end of the night he stumbled home, running into light poles and knocking over garbage cans. When he got home and knocked on the door, his wife answered, "Is that you John?" No answer. She asked again, "Is that you John?" Still no answer.
The next morning when she opened the door to go to work, she saw John sleeping outside the house. She asked, "What are you doing sleeping out here?!" John replied, "I knocked the door last night but you didn't open it." She said, "But I asked and asked if it was you, but you didn't answer!" John replied helplessly, "But I nodded and nodded...."