Washington (CNN) Hillary Clinton's decision to stay married to former President Bill Clinton, despite his affair, is the gutsiest thing she's ever done in her personal life, the former secretary of state and first lady said Tuesday.

And professionally? Her presidential bids.

Clinton, who twice ran for president and served as the Democratic Party's nominee in 2016, was posed the question in an interview with ABC's Amy Robach on "Good Morning America." Clinton along with her daughter, Chelsea, made an appearance on the program to promote their new book, "The Book of Gutsy Women."

"Can I ask you, what's the gutsiest thing you've ever done?" Robach asked.

"Oh, boy, I think the gutsiest thing I (have) ever done -- well, personally, (to) make the decision to stay in my marriage. Publicly, politically, (running) for president. And keep going. Just get up every day and keep going," Hillary Clinton replied.

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