When he arrived at the door, he stood up and fell flat on his face. He crawled through the door into his bedroom. When he reached his bed, he tried one more time to stand up. This time, he managed to pull himself upright but he quickly fell right into bed. He was sound asleep as soon as his head hit the pillow.
He woke the next morning to his wife standing over him, shouting, "So, you've been out drinking again!"
"Why do you say that?" he asked innocently.
"The pub called. You left your wheelchair there again.”