TV legend Larry Hagman passed away last Friday from complications related to chemotherapy, and his only son Preston Hagman exclusively tells ET that his beloved father lived to perform as an actor and "didn't do it for the fame or the fortune."
"Doing Dallas is what kept him alive as long as he did," says the grieving Preston. "He just loved coming to work every single day. ... It wasn't about the money, it wasn't about the fame, it was about him acting. That's what he did."
Preston says that his father was surrounded by large family in his final days and hours, and his Dallas co-stars Patrick Duffy and Linda Gray even came to visit him. Although his death seemed sudden to some, Hagman began battling cancer last year, and in July he was diagnosed with MDS, a complication related to chemotherapy.
"Everybody was prepared for this at some time -- just a lot sooner than we thought," says Preston.
So what does Preston miss most about his dad? "He was a great man. We would talk all the time. Something funny happened in my life, I would call him and tell and laugh. I miss being able to just pick up the phone and call him."
Watch the video for Preston's details about his father's upcoming memorial service plans.