I'm still living at home with my Mom even though I'm no longer in my teens. I'm sort of quiet and shy. In fact, I've had no real sex experience, even though I think of little else day and night. I masturbate at least twice a day, the door to my room closed, naked on my bed. Usually, I have an image of someone I see in a magazine or video, but this morning that changed. I was deep into my daydream, my cock swollen and about to come when suddently the door popped open! It was my Mom! Her beautiful face turned totally red, she muttered an apology and then closed the door. I waited, chagrined by the event but somehow also turned on. A few minutes later, when I came off, the fantasy woman in my mind had a definite resemblance to her ... my own Mom! Now, several hours later, I'm still embarrassed about it but I have to face her. Out I go, then. Just as I open my door, which is opposite the bathroom, I see her coming out after a bath -- despite her quick effort to conceal herself with a towel, I see her lovely breasts! "Mom!" I cry. She stops in her tracks and stares at me, her face flushed, then she says ...