It was the hottest thing I have ever seen. I reached up with my left hand and pinched my nipple under my shirt, my body erupted in an orgasm of my own... My knees were weak as I made my way up the stairs to my room. I lay in my bed and drifted off my sleep in the mind blown afterglow of my orgasm. The next morning I didn't immediately believe what had happened. Realization quickly hit me based on the state of my mostly dried pants. Then fear struck. My mother saw me masturbating while I watched. Our hips continue to rock as we finish our mutual orgasm. Your head comes falling back onto me and mine does the same to your shoulder. We stay like this for an eternity, or at least it seems so. As we reach the sand of the beach we pull ourselves together and reach for our clothing. As we head back to the car we flash each other devilish grins. We climb into the back of the truck and begin to cuddle letting the night air flow over our bodies. Your hand finds it way to my thigh and my eyes open. Hmm, even the feminine panties didn't change me much.Suddenly a knock on the door tmade me jump. At my "Come in" Sarahentered completely dressed. "What's up, not dressed yet?" Can you do me a favor? Take your sweater off and stand next to me." OK."When she had taken off the sweater I moved next to her in front of themirror. The differences were significant. My attention wasn't drawn toher larger breasts. The first thing I noticed were her broader hips.Of course Sarah also saw the difference. "I. After 5-10 min she was back omg! She changed in to a real sexy dress a silk shorts and a sleeveless vest (I was able to make out her nipples because there was no bra underneath I bet) she walked in bolted the door behind in her hand there a black poly carry bag. Sat on the couch pulled the centre table near to her and asked me to get 2 glasses I was whimsical and watched she took out a bottle of Bacardi, few olives, a lemon and 2 half liter bottles of chilled dew n some almonds n cashew nuts. I.