Using the speed of light and the Lorentz invariance, is it possible to conclude that time can be viewed as a red-shifted, three-dimensional past, and ... blue-shifted, three-dimensional future as seen from a four-dimensional present?"Her expression crinkled as she concentrated. "It's one possible conclusion. Where are you heading with this, David?" I'm not sure. I had this crazy notion that my consciousness has learned to red-shift, or accelerate into the past, but has yet to blue-shift or. At first she just left them in my ass, allowing me to get used to the full feeling, almost like I was trying to poop, while she focused on my clit. I almost pulled her hand away, but I didn't want her mouth to stop. After half a minute, she began fucking my ass, first slowly then harder. It still hurt a bit, but the combined sensation of her mouth and the fullness and mild pain in my ass was pushing me to the edge. "Don't, don't stop! I'm so close," I told Carol in a breathless moan. It was. At the tender age of 23, she had already achieved her Master's degree in Economics, and she was rapidly climbing the corporate ladder at one of the nation's leading financial institutions. Well-liked by her superiors - mostly due to her brown-nosing - she quickly earned promotion after promotion, elevating her well above her former colleagues. Granted, she also possessed uncanny skill and aptitude at reading the markets, which helped her company earn millions. As a result, she had no want of. A point which he had often teased her about, telling her that she sounded like a hair-lipped dog barking at him."Danny! Kathy!" Mark answered back excitedly, spotting them as they stood just outside the barrier separating departing passengers from arriving ones. Pressing his way as politely as was possible, he finally reached his sisters, threw down his duffel bag and embraced them both. Almost immediately, as he stood hugging them, he realized how much both of them had changed in the.