This is a method found on the Internet:
Look at the range of ass swing, virgins generally swing very little and don't look very coquettish. The amplitude of non-local oscillation is relatively large, and it looks different in taste, which needs long-term observation to see. There is also the degree of leg separation. Virgins usually have tight legs (except those that are too thin), and the distance between their legs is very large, because the posture is determined by frequent movements ... you know.
Seen from the back: virgins are light-footed, soft and not stiff, and the horizontal swing of hip muscles will not exceed 30 degrees, even if the hip fat or pelvis expands, it will not exceed 45 degrees. Non-virgins are slightly plump in appearance and the roots of thighs are transparent. Unless the bone curve is abnormal, the thigh is closed and opaque. '
From the front: the convex hull of the vagina of a virgin's private part is very small, even if the labia is enlarged, it is almost flush with the urination opening designed by trousers, and vice versa for a virgin;
From the side: if a girl wears a skirt that is easy to fluctuate or soft silk pants, the virgin's hand will unconsciously fold the skirt horn to avoid turning it up, and vice versa;
Subjective conversation-judging whether you are a virgin by analyzing your psychological state through words and behaviors; Even lively or sexually open girls will not talk about sensitive topics with strange men at will;
I suggest you do an investigation. I suggest you go to the park or shopping mall to see mother and daughter walk together, and then make a comparison. Adult mother and daughter, mother of about 25 years old, daughter of 5-7 years old (this is absolutely inappropriate). More data, make a comparison and share the results with everyone.