'Little Couple' Stars Ready for Big Addition to Family

Dr. Jennifer Arnold and Bill Klein discuss how adoption has changed their lives.
2:12 | 08/13/13

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Transcript for 'Little Couple' Stars Ready for Big Addition to Family
Now, to one of the most-watched families on tv. They're called the little couple. But they're dream is getting bigger. And their dream is about to come true all over again. Abc's abbie boudreau has their story. Dr. Jennifer arnold and bill klein, have shared their life on "the little couple." And their life has captivated audiences. In the back of both our heads, jennifer's problem is fatigue. Reporter: As they went through the heartbreak of two lost pregnancies, and the elation of finally finding a son to adopt from china. Also a little person. A boy they named will. I had a chance to visit with the family at home in houston, texas. How has life changed? We go to the bars not even nearly as much. We certainly don't close them out anymore. Reporter: He's joking, of course. But jennifer and bill have learned very well that living with a toddler is life-altering. Will is precocious. Give daddy a kiss? Oh. Reporter: An affectionate little guy who melts your heart. And like any healthy 3-year-old boy, he's in constant motion. Seemingly chasing danger. Like a hollywood stuntman. He's learning very quickly there's ways around most things. He knows that daddy knows how to drive and daddy knows how to drive. And he's not far off in height. You want to pop? You want me to get you a pop? Yeah. Now, you're going to get it yourself? Yeah. And we're stuck here. Reporter: And lil and jennifer have another bedroom ready for a girl from india. Are you excited for your sister to come home? No. Reporter: Jen and bill say will brought so much join, they can't wait to expand their family. For "good morning america," abbie boudreau. Now, it's time for a little

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