Love's initial romantic phase lasts anywhere from 18 months to three years, experts say.

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And recently, researchers in aquaculture (fish farming) have discovered that cottonseed meal makes a high-quality fish food.18 Catfish, in particular, appear to love cottonseed meal, and will eat it even when offered fish meal instead.

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Chris Evert, an 18-time grand slam champion, has served love games to two fellow professionals -- Jimmy Connors and John Lloyd -- only for cupid to return a double fault.

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Aside from his celebrity status -- which he enjoys -- and a legion of fans who give him "a lot of energy, positive vibrations and love, " Djokovic plays mentor to his two brothers, 21-year-old Marko and Djordje who turns 18 in July.

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