One of the common mistake that men do while having sex is that they don't kiss their girl! It is one of the biggest mistake and should be avoided. May be your position doesn't allows you to kiss her or whateva it could be just don't ignore this.
1. Know the position which pleases you the most
You must always try new things, or you can mix up experimentation and your comfort zone. You can add variety in your bedroom life, in many ways. But remember you must always know the position which will satisy you the most and will for sure give you an orgasm when you need one.
1. Try this great warmup
The precoital massage: As a warmup to the main event, start by massaging the length of her legs, from her upper thighs down to her ankles. Then focus on the feet, kneading her heels and all other points beneath. Then zero in on the toes and stretch them individually. Of course, if her impeccable hygiene encourages you to suck her toes, you'll have her in ecstasy.
1. Fool Around, Mix-up & Experiment with Foreplay
Most women like to be teased before actually committing to the act of sex. You can understand it as a kind of comprehensive foreplay which includes everything from kissing her slightly, giving her those typical lewd looks, passing comments about the size of her breasts or her shapely outline.