I have been explaining to my children ( girl and boy -ages 13 and almost 11) from the time they were in Kindergarten, that at age 18 they will be in college and not at home. Then they will get their own place after they graduate (I don't care if they have 50 room mates). Then they start careers, get married and have kids (in that order only. ) There is no coming home to roost again. Only to visit. The real measure of our success, is our children being self-sufficient.
That's an ideal, not yet a fact. By the way, I wish you well and your children success in life.