Ladies, I wanted to share this information with you, as it seems Copulins are a hot topic. Hope it provides some insight 
Here’s the full Site, for those interested in further reading.
Copulins - Vaginal aliphatic acids
A class of aliphatic acids was found in female rhesus monkeys that produced six types in the vaginal fluids. The combination of these acids is referred to as “copulins”. One of the acids, acetic acid, was found in all of the sampled female’s vaginal fluid. Even in humans one-third have all six types of copulins, which increase in quantity prior to ovulation. Copulins are used to signal ovulation; however, as human ovulation is concealed it is thought that they may be used for reasons other than sexual communication.
How are copulins transmitted?
There are two ways copulins can transmit from female to male: through the air, and by direct genital contact. copulins and their “support” fluids are produced in the vaginal walls, and a small amount of copulins exists at all times within the vagina, usually near the opening. When a woman breathes, the movement causes minute amounts of copulins to become airborne. If she is stationary for an extended period of time, the copulins will eventually exist in the air around her; however, it appears to take some time for copulins to escape clothing fabric and actually become airborne. Like pheromones, airborne copulins are transmitted from female to male via the male’s VNO organ inside the nasal cavity.
Effect of copulins on the Male subconscious:
When copulins are present within the male hypothalamus, many changes occur.
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Copulins “disguise” themselves as the male’s polypeptides, which are neurotransmitters–the link of communication between the hypothalamus and the rest of the brain and body. Because copulins are more “aggressive” than polypeptides, they easily supplant the host’s neurotransmitters. Moreover, copulins appear to be addictive.
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By controlling the hypothalamus’ communication link with the rest of the body, it also can access the nearby limbic system, which is the brain’s center for the retaining of memories. The copulins shut off the link to the limbic system, thereby preventing any current activity from being remembered. The male will have hazy memories of well-being, but cannot remember anything while the limbic system is not communicating.
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Now here is the process that is still not fully understood: Once the copulins have replaced the polypeptides, the sensory input of the male is controlled. Although the male can receive any normal sensory input (sight, smells, auditory, etc.), the female can vocally change what the male perceives and/or remembers. Research has demonstrated that only the voice of the female who produced the copulins can have any effect. Males shut out all other voices and did not respond to other females’ voices in the lab, nor voices from a speaker.
How the hypothalamus is caused to filter all but a single voice is what is not understood.
During this time, the female can vocally do the following:
A) Change, remove, or insert memories.
B) Tell the male what he sees, hears, feels, smells, tastes.
C) Insert subconscious thoughts that will surface as male “ideas” or behavior later.
D) Plant trigger words or actions that can cause thoughts, actions, or sensations in the male at later dates (days, weeks, even months).
