Sex Restarting Your Sex Life Posted by Jane Farrell Normal aging brings physical changes in both men and women. These changes sometimes affect the ability to have and enjoy sex. A woman may notice changes in her vagina. As a woman ages, her vagina can shorten and narrow. Her vaginal walls can become thinner and also a little stiffer. Most women will have less vaginal lubrication. These changes could affect sexual function and/or pleasure.