I signed a paper giving permission for them to give me the experimental stress test. I noticed Heather was wearing a white lab coat that buttoned down...the front rather than her usual scrubs. She instructed me to remove my clothes and lay on the table. As she left, instead of the usual backless paper gown, she handed me a towel and suggested I might want to use it to cover “my privates.” I stripped and a few minutes Heather knocked on the door and entered. As I lay on my back, towel in place,. I went on to bring her in the heavens by just freeing one of her legs on the floor. Now I could see the opening of the mystery with which all women have made men crazy. The pink hole was hairless, which I like most. Now, I was licking it so as to open her leafs and make my entry easy. I was taking long licking strokes up to her anus, which made her hips up and down with my tongue going inside little by little. I could see her juices flowing from her pink hole. I understood it as a right. A viscous black slime was all over it's mouth, it's saliva. A vile spit so filled with evil it tingled to the very touch of it. Long thick gnarly nails. It's skin smooth, wrinkled, but as tough as hardened leather. It screamed in anger in the voice of one-thousand and one voices. "COLISION WARNING!" the computer systems annouced. The two aliens turned over to see the airplane it was about to collide with. "AVERT! UP!" the ship began to go up when the whole ship rocked and an explosion covered. Lori knew from the beginning that this would be probably the spot were Zack would take her. She was right on as Zack ordered her down onto her knees. He had Lori rip open his pants and take his huge cock into her mouth. She sucked eagerly on it as her hands tightly cupped his tight ass. It had been about 5 minutes when they heard some one else enter into the home upstairs. A startled Lori tried to remove Zack’s cock from her mouth, but Zack held her head tightly on it as he pushed it in and.