It takes 10 years to make a trilogy – ‘Episodes I ‘ to ‘III’ took from 1995 to 2005,” Lucas explained on the time-demanding effort of building up a Star Wars trilogy.
Since then, they had full control over the Star Wars franchise.
“At that time I was starting the next trilogy; I talked to the actors and I was starting to gear up.
So I figured I would forgo that, enjoy what I had and I was looking forward to raising my daughter.