What if he doesn't like my body?

With often unattainable superbods gracing mags and media, body image has a lot to answer for and can affect your ability to enjoy sex. What's important to remember is that whatever your body shape is, your partner will be more bothered about whether you're having a good time than about your allegedly wobbly thighs or skinny arms. He's probably not perfect either but if you both relax, the sex will follow suit.

What are the causes of impotence?

There are numerous different causes of impotence. In young, healthy men, difficulty gaining or sustaining an erection is most often associated with psychological factors, but there is sometimes a physical cause. Sometimes it's a mixture of the two.

• Psychological: Performance anxiety, relationship problems, depression, stress, fatigue, loss of interest in sex.
• Physical: Diabetes, vascular disease, spinal cord injury, surgery, some prescription medicines, smoking, drinking, drug abuse, hormonal imbalance, epilepsy, multiple sclerosis.

Have a laugh

It's only perfect in the movies. Nobody's psychic. You have to tell one another what you like and want, and if you're not enjoying something then don't be scared to ask for something different instead. If you are pulling out all of the stops to please your new partner, make sure they make an effort to do something pleasurable for you too - there should be some give and take.

Keep a sense of humour at all times, and if you fall out of bed or get cramp in your toes then laugh it off instead of getting embarrassed or worried. Even if you cringe at the time, it could be something you both look back on later with a warm fuzzy glow. "Remember the time when we. . .?"