Take it slow.You don't need to be fast and furious. Keep your movements slow and steady and let stimulation build gradually. Instead of being forceful, tease and titillate your partner by holding back and varying the angle, speed and deepness of penetration. When both partners are ready you can speed up together for an explosive finish. Change it up.One of the best ways to keep your energy up, prevent cramps and avoid premature ejaculation is to change positions, speeds and acts more frequently. When you feel yourself approaching orgasm, switch to a new position or stop to give your partner some manual or oral pleasure. Along with helping you last longer, this will give you a more interesting and joy experience. Take breaks.If you feel yourself getting too close to climax, or just running out of steam, just stop for a few minutes. You can use this time to enjoy foreplay, talk dirty, or switch to stimulating your partner manually or orally. When you've had a chance to...