After shivering for a moment, she hugged him tighter and whispered "Before I became worried about you, I... well..." Mark was surprised to feel her smile against his chest.

"Mom..." he said, hearing the alcohol in his own voice. "You have an amazing ass. I've been obsessed by it for years. That night..." he didn't need to specify which. "That night was the best moment of my life. Please don't regret it."

His mom was breathing faster in his arms, her body feeling warmer. "Gods... Mark, we can't do that!" but by now she was also moaning with pleasure.

Mark squeezed her ass, pushing his finger yet deeper. "Just this....