"Our sex life does change over the years as we go through menopause, pregnancy, new jobs, living in different parts of the country" and other life changes, says Forbes-Robert. In other words, it's normal for your body's responses to stimulation – not to mention your mind's – to be different now than they were a year ago, not to mention five or 10.

"It is important to break routine," says sexologist Jessica O'Reilly – and that applies both inside and outside the bedroom. "Salsa dancing? Hiking? Spending quality time together trying something new encourages fun and intimacy."

Try: The waterproof We-Vibe 3 vibrator, which can be worn during intercourse to stimulate both partners – and comes with a man-friendly remote control.