I'm a normal -6" dick cuck. My first wife was quite happy with it, but with the second it turned out to be more difficult. She said her first husband had a huge one! At first, sex with me didn’t quite suit her. But then she admitted to me that she didn’t always have an orgasm with me.
My age is also not quite young, still 45. And she is also a very hot and temperamental woman. Once during sex was not always enough for her. I’ll cum, but that’s not enough for her, she wants more. I tried cunnilingus. But it's still not sex!
We bought a lot of toys, she often satisfied herself with them, and then I joined in. And when we found out about cuckolding, our sex life became very lively! When she had sex with her first lover and then told me about it, I couldn’t calm down. I was so excited that I came inside her more than once.
Cunnilingus began to give me particular pleasure. I imagined that she had another dick in her recently, simply incomparable pleasure! My wife was pleasantly surprised by my transformation. So dick cuck size was not important in our situation. Here, it was the difference in temperaments rather than the cuckold cock size that played the main role.
NJC, regarding your second wife, was she not aware of your cock size and skills prior to marrying you? And she married you anyway? Maybe she's just a person who would be better as a single person. Also, she seems quite blunt in telling you your faults and comparing you to her past lovers. A bit callus for my taste.
Every woman is different just as every man is different when it comes to sex. It is as much a woman's responsibility as it is her man's to have satisfactory sexual experiences with her mate. This means she needs to instruct you on how to satisfy her ... she should initiate sex, not just comply to your own desire for sex. A lot of women sometimes "comply" to their mate's desires by laying on their backs, opening their legs and letting their mates access to sex ... and that's just not right. They shouldn't just lay there with little effort.
Not skating around the fact that a guy has that same obligation to make it an enjoyable event as well. If you lack sexual skills ie: cum too early, bypass foreplay, etc, you're as wrong as she is. By the way, oral sex IS sex, as much so as intercourse is sex. I'm like you in this regard, I enjoy going down on my wife and getting her to cum.
My wife & I always start out with some form of foreplay. I always get her "wet" before even attempting to mount her for intercourse as a dry pussy will do nothing but jerk a man off to a quick "cum' and leave his mate frustrated.
Unless you have a suppressed desire to become a second marriage loser, I'd try building back her confidence in you by having her focus on herself as the two of you have sex. But the first time she was to bring up comparing you to her first husband, I'd be making her a bed on the couch. It seems she just wants the freedom to fuck who she wants ... that's fine if you agree to it and have the same option.
Maybe she just married you for a security blanket.
Good luck with this ... Mac