The Kelleys spent Christmases in group settings with the Petraeus’ and visited them in Washington D.C. during, where Jill’s sister and her son live.

“It is very clear there was nothing going on other than friendship” between Kelley and Petraeus, the close friend told ABC News…

The affair between Gen. Petraeus and Broadwell, both of whom are married, began several months after his retirement from the army in August 2011 and ended four months ago, retired U.S. Army Col. Steve Boylan, who is a former Petraeus spokesperson, told ABC News.

“He hugely regrets what happened,” Boylan said. “He pretty much threw away the best job he ever had and put his family through something just too hard to describe.”