I plunged my finger in. Then a second. It was tight. I spat in her arse.“You said you wanted to know.”I worked my cock inside. By now her protests...had stopped. From what I could see her eyes were rolled back into her head. I could feel her sphincter contract around my cock, like an elastic band pulled too tight. After the first few slow thrusts I found a rhythm, and began to increase my tempo periodically. Eventually I was roughly buggering her, my best friend’s soon-to-be bride, on the floor. I stoppedchanging, and sporting just my lacey red panties, closed them. I knew fullwell that all my neighbors, even maybe the married ones, wouldn't mind gettinga look, and I knew that I shouldn't take the chance. I was a good girl...orso I thought...then. Once I had finished changing, I made my way back downstairs. "I'mgoing," I breathed. "Okay hon," Mom said. I opened the doorand stepped out into the soft rain. Supplied with only a water bottle, I started walking down thestreet towards the. ”“It’s the same. There’s no difference.”“Welcome to the compression rate world kiddo. If you step on concrete that has set, you won’t leave a mark. But fresh concrete and you’ll ruin your tennis shoes. That is the compression rate between set and unset concrete.”“Now, your little sandbox here can be set up to make a print. But that’s about it. You won’t be able to tell the weight of the thing making the print. Unless that thing is so lightweight that a comparison can be made from a lighter or. " There was no way I was going to give them any more details than that.The two of them stood there scrutinizing me like they knew I'd left a great chunk out. Not for the first time, I was extremely thankful that Witches didn't possess an enhanced sense of smell because the car ride and run hadn't lessened the smell by much. Still, I tried to keep my face impassive and body relaxed as they continued to stare."Good for you!" Aunt Annie exclaimed with a sudden smile and a pat on my arm. "I'm glad.