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By Matt Murray

Dr. Jill Biden wears many hats, from teacher to author to Second Lady of the U.S. 

Wednesday morning, she brought her expansive expertise to the Orange Room. Dr. Biden joined Tamron Hall to mark the third anniversary of Joining Forces, a national initiative to support America's service members and military families — before, during and after deployment. 

Dr. Biden welcomed viewer questions on any topic. 

Dr. Biden: "There really is no typical day. You know, I'm a teacher, I teach full time. I wake up before 6 a.m., then I go out to teach some days. Or yesterday I was in Boston with the survivors or next week I'll be at Fort Campbell in Kentucky with our military families, so there really is no typical day." 

Dr. Biden: "I'm a runner. I try to exercise every day, so I run a couple times a week and I take barre class a couple times a week."

Dr. Biden: "I'm an English teacher, of course I'm a reader! So I just was reading Donna Tartt's "The Goldfinch."

Tamron then had a question of her own for Dr. Biden: What was it about her husband, Vice President Joe Biden, that made her fall in love with him?

"I loved his two sons Bo and Hunter," Dr. Biden said. "I always say that I fell in love with the boys first."