Underwear reveals men's sexual secrets (adult novel about sexual knowledge)

I remember Zhang Xiaoxian said in "Three A Cup Women" that most of the women who are willing to choose good underwear are unmarried women. Married women have become conservative and lax because they have received "long-term meal tickets", and their underwear is either torn or ill-fitting. It can be seen that it is a barometer to test a woman's sexual status.
The same is true for men. A pair of underwear can reveal his sexual scores. If you have a pair of "golden eyes and fiery eyes", you can easily find out how good his "sexual" ability is!
Cleanliness = Sexual age. Men are animals who love face. They spend a lot of effort to pretend to be very confident in their appearance, words and deeds, so that women believe that they are also good lovers in bed.
In fact, a pair of underwear can betray their sexual qualities! You don’t have to worry about color and style for now, but neatness is the first priority. If a man looks gentle and steady, but his underwear has holes, is loose, smells musty, and is wrinkled like a bundle of dried pickles, it will definitely make you lose your appetite.
Therefore, you should observe the underwear to see the “performance” of men, it works every time!
Just imagine, how much would a man who doesn’t pay so much attention to the quality and cleanliness of his underwear care about love between men and women?
His "sexual age" is probably still at the stage of a little boy, regardless of how good his "hardness" and endurance are.
They don’t even know the most basic sexual techniques, let alone postures and atmosphere creation. What sexual interest can you have with him? Men who ignore the quality of their underwear, no matter how handsome or strong they are, I advise everyone not to