LIPS AND SEX
The lips are a very important part of sex. Due to the sensitivity it have, we can experience very pleasurable sensations.
A kiss during sex, can provide much information about the excitation of the other person. With kisses, we can decide to have sex with other person. When two people kiss, give sexual compatibility information between them.
Women have developed this sense and therefore often decide to stop or continue the sexual act.
If a man gets a woman kiss well, get seduced. For women, kissing is very important.