US Senator Lindsey Graham, who passed away on July 11 at the age of 71, opened up about his personal life in his 2015 memoir, titled My Story.He addressed his status as a lifelong bachelor and expressed regret over not having a wife and children. He attributed it to timing, responsibilities and career focus. According to a report in People magazine. He wrote:“I’ve never married. I guess I attribute that to timing, too. The opportunity never presented itself at the right time, or I never found time to meet the right girl, or the right girl was smart enough not to have time for me.”Senators Return To Capitol Hill After Memorial Day Recess - Source: GettyLindsey Graham died on the evening of July 11 “from a brief and sudden illness.” Emergency personnel had responded to a call regarding a "cardiac arrest" at his Capitol Hill home that same night. However, no official cause of death has been released yet.Continue reading for more details.Details about Lindsey Graham’s life as he passes awayOn his passing, Lindsey Graham’s family appreciated prayers at this time and asked for privacy during “this incredibly difficult period.”Born in South Carolina, Graham grew up in a modest, working-class environment. He lived with his family in a trailer. Warren Mowry, his friend and roommate at the University of South Carolina, had described it as a “mobile home.”While attending D.W. Daniel High School, Graham expressed his desire to become a governor to his classmates. He was a C student who would often make his peers laugh. He graduated from the school in 1973.While he was in college, both of his parents died of natural causes. His mother was the first one to pass away due to Hodgkin's lymphoma, followed by the death of his father from a heart attack fifteen months later.Lindsey Graham was 21 at that time and became the legal guardian of his sister, Darline. She was 13. In a 2015 interview with NPR, Darline Graham Nordone shared her recollection of the day her father died. She said:"I can remember the day my father passed away standing in the living room of that house absolutely scared to death. Lindsey wrapped his arms around me and promised me he would always be there for me and always take care of me.”Lindsey Graham earned a Bachelor of Arts in psychology (1977) and a Juris Doctor (1981) from the University of South Carolina. He later served in the U.S. Air Force Judge Advocate General's Corps on active duty from 1982 to 1988. He then continued service in the South Carolina Air National Guard and U.S. Air Force Reserves, retiring at the rank of colonel.After military service, Graham practised law and held positions including assistant county attorney for Oconee County and city attorney for Central, South Carolina. He served one term in the South Carolina House of Representatives. Two years later, he was elected to the U.S. House of Representatives, representing South Carolina's Third District.Lindsey Graham once spoke about his bachelor status with Politico and said:“At the end of the day, there’s nothing wrong about not being married. Having a marriage and a good family and children is a blessing. But I don’t think I’m a defective person by any means.”Although the late senator never married, he had been in multiple relationships in the past. He dated a girl named Debbie in law school. He had two more relationships – once with a JAG officer named Carol, while serving in the Air Force in Germany.He also dated a Lufthansa flight attendant named Sylvia. They dated for about a year and became serious enough that he considered proposing to her. However, practical challenges ended it as Sylvia needed to return to Vienna to care for her elderly mother, while Graham, “a South Carolina boy”, planned to return home.