J. Lo Can't Sit Still

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Since having her twins, many thought Jennifer Lopez would relax.  Not so.

She’s getting ready to run a triatholon.

“I thought I’d be ready to just sit still with the babies when they were born, but they’ve actually made me more ambitious,” Lopez says in the September issue of Self.  “Right now, I feel all this love and this newfound inspiration in my life.  Like I can conquer the world!  Like it’s just beginning.’