Jennifer Lopez is keen to compete in another triathlon - as long as she doesn't have to swim in the sea.The singer/actress and American Idol judge admits the swimming part of her 2008 triathlon was the toughest part of the feat - because she's terrified of the ocean.Lopez tells the Globe, "I'd love to do another one, but I don't want to swim in the ocean again. That was the worst part for me."I
