At the cinema a man noticed a hot woman sitting all by herself. He was excited to see she had both hands under her skirt and was pleasuring herself furiously.
He moved to the seat next to her and offered his help. She welcomed his help, and so the man started pleasuring her like crazy. When he tired and withdrew his hand, he was surprised to see her go back to work on herself with both hands.
Wasn't I good enough?" he asked sheepishly.
"Great," she said, "but these crabs are still itching!"