Imperiali explains it like this: "You have to imagine that you have a burning need to urinate and hold it in. That works for men as well as women." A quick Google reveals tons of great Kegel regimens. The Mayo Clinic has a good one.
But Sarkozy's improved between-the-sheets-time isn't do to Kegel's alone. According to ABC News, lots of studies have shown a link between being in shape and better sex. ABC spoke to the chief science officer of The American Council on Exercise, who said squats, holding a plank position and arm-strengthening exercises are other moves that can boost your bedroom enjoyment.
Just another reason to stick with your New Year's resolutions.