My wife is very conservative with sex. We use some vibrators and she enjoys clitoral stimulation. I have inserted some vibrating dildos (Jopen and pulsating rabbit) into her only when she is really horny. The biggest being maybe 6-1/2 inches in length and 5 inches in girth. I bought the Doc Johnson Realistic R5 8 inch black dildo, which is 6 inches in girth. I used it on her the other night...probably wasn't ready for it as she would only take maybe 3 inches of it and really didn't respond to it. Based on past experience, when she is really horny, I think she can take it all and would really like it...and I want her to enjoy it. I am really excited about the next time... in fact, I just bought the UR3 Realistic 8 inch that vibrates. This one feels very realistic. I admit to the fantasy of seeing my wife fucked by a big black cock while I am watching. I don't think that we could ever really go through with it...and I can never see myself bringing this topic up to her. So, I just keep thinking about seeing her take the entire black dildos and fantasizing that it is a real black cock. My only conecern is that if this may permanently stretch her a bit and it will affect how she feels about my cock...almost 6 inches but a ltille less than 5 in girth. Anybody have similar experiences?