New studies on the sex lives of 57- to 85-year-old Americans find that such activity doesn’t have to fade with age, but it helps to stay healthy and positive. ………………… Far be it from us to pick nits with billionaire Warren Buffett in these bleak economic times, but perhaps he knows more about finance than he does about sex. “It’s nice to have a lot of money, but you know, you don’t want to keep it around forever,” Buffett, worth $62 billion at age 78, told Bloomberg News recently. “Otherwise i
