I stood guard outside the car. My wife in the back with the young man she was dancing with earlier. He was eager and hit on her openly. He knew she was married. Knew I was there. Didn't care. Neither did she. Said they were going to his car and wanted me to make sure they weren't disturbed. He was touching her ass and smirking at me as we walked to the car. I watched them get in the back seat then saw them kissing, saw him strip her, saw him sucking her tits and saw him make her cum with his mouth. I heard her cum, heard them both laughing. Saw him lean back, her head in his lap. Heard me moaning and talking, telling her she sucks so good.

I watched him fuck my wife. She was leaning back against the door, her head back, moaning, gripping the seat belt strap and the top of the seat for dear life, her legs spread and wrapped around his. He was between her legs, arms around her upper body holding her tight while he pumped her. She was moaning his name and saying so big, so big, over and over. He announced that he was going to cum, I saw him fuck her faster, saw him arch his back burying his cock as deep as he could in her pussy. He held himself as he shot his load deep into her pussy.

Afterward, they snuggled in the car for another half hour while I waiting. Soft whispers and laughing.