One of the basics ground rules between lovers is that anything goes as long as it feel good and doesn't hurt anybody.lovers grow with each other when they proceed on the assumption that they have what it takes not only to satisfy themselves but to help their partners, as well. An important ground rules is that you must first discovere Your Own level of sensory awareness, for you are your own salvation. If you have hand-me-down problem, from previous relationship, you must assume responsibility and not expect a new partner to do that for you. No one else can heal you or free your innermost sensuality, so begin right now.
Liberate your eyes.
Look, see, observe not only your lover but yourself. Look at both your bodies, notice the sameness and the difference.
Liberate your ears.
Hear, speak, listen not only to the obvious, but to subtle nuances of sound.
Liberate your nose.
Enjoy the exciting aroma of each other bodies, deodorized and or natural.
Liberate your touch.
Let your fingers freely roan and explore the unexpected areas of wonders.
Liberate your taste.
Taste every delicious morsel if each others clean, sweet-smelling body. 
The average person has become alienated from his sensual potential. Some men fear a fully aroused female, and women who have been overpowered by men fear fully aroused men. So they both avoid confrontation with strong erotic passion. If this applies to you be assured you can end this sensory isolation.
Great lovers avoid quickies unless the woman indicates that is what she wants. People in the know realize that few women really respond under limiting circumstances. Contrary to the fairly tale of Sleeping Beauty. A wise man knows not to rush, that if he wants her at her best he must take as much time as she needs before intercourse. He must always be aware that prolong outercourse makes intercourse much better.
In order to bring her up to his level of readiness. It is often necessary that a man push his own passion back during foreplay and concentrate on building her fire. The big difference between an around or unresponsive woman is whether her lover had the patience to give her enough time to help herself get into her center. 
So therefore, engage in the act of long foreplay before intercourse as it help improve and prolong your sex life.