"I just heard some noise, I just had to find out what it was. I had no idea that I'd find you two in there," I let them know."Well, it's OK, Gillian. ...We actually get off on being watched. We wish you would have told us you were there. We would have liked you to tell us. We would have had you stand back, and watch. My mom actually liked watching," Billy explained."Really? That is really interesting, and a little weird too. I mean she watched her son and his girlfriend do it? It's kinky, but why. I can’t believe she’s letting me do this. I actually have my cock all the way up in her pussy. Holy shit I can’t believe she’s letting me fuck her. Oh my god I’m actually having sex! I’m fucking my best friend! I never wanted to pull out of her, other than to ram it back in her as hard as I can.I started to pull back, but she held me tight and we stayed like that for a few moments. She needed to get used to the feel of this thing inside her. She was breathing so fast and heavy. Eventually I. The 'other things' usually involved my fantasies of taking her to a motel or a sex club and watching her by made love to by various well-hung black men. These things too, did not seem to bother her at all, and in fact appeared to turn her on - although, as usual, she said or pretended that the interracial side meant nothing to her.This first dildo I used with her, was about 10 inches long and maybe 4-5 inches in girth. I inserted it very carefully and modestly at first, taking the time for her. This had generally become the last we saw of each other until the next gym day. It was good that we wrapped up when we did, because I was having a hard time keeping from getting a raging boner and just asking if she wanted to fuck. I figured that would be the end of our fun, so I resisted. I briefly considered rubbing one out in the shower, but decided I’d save that for home, if the urge was still there.After my shower, I got dressed, grabbed my bag and headed out. I got in my truck and turned.