What are Pheromones
Pheromones are chemical hormones produced by your skin. These chemicals carry with them a faint scent that informs humans of the best genetic match when choosing a mate. 
So what does this have to do with attraction and sexuality? 
Well, Gentleman, it means that a woman reacts both physically and emotionally to your scent.
Prepare yourself for time alone with your woman. Shower up, practice good oral hygiene, find a scent that you know turns her on and no matter how tired you are, do not get into bed smelling like sweaty gym socks... 
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Arousal
Passion begins in the mind. When a woman feels passion, her body comes alive. A woman needs to feel connected to feel desire. She needs to feel completely emotionally safe with you before she can feel safe sexually. Many men are uneducated about the female body. Study her body. Take note of what makes her feel good, where and when she likes to be touched. Before initiating lovemaking with a woman who's been chasing children all day, give her a moment to relax and unwind. Show some understanding. Tend to the emotional aspects of love before the physical. Familiarize yourself with specific pleasurable spots that you see she enjoys. Do you understand the female anatomy and know where her clitoris is located? Are you aware of how she likes to be aroused?