I've noticed it with many women I've dated. It's what makes the "hicky". But I never forget how shocked I was the first time I started kissing up a girl's neck to right under her ear. She literally started gasping for air.... orgasming during the entire experience without me or her even coming near her vagina/clitoris. What is it about the neck that drives girls crazy?
It's almost funny to me because I could never imagine a woman driving me crazy if she kissed my neck. There just doesn't seem anything special about it. What has your experience been with a woman's neck? The last girl I dated asked me to stop kissing her neck because she loved it so much and she was getting "hickies" everywhere .....oh the pleasures of kissing.