Snatched a little one bedroom apartment in a town 30 miles away, waited for my 18th birthday so I could legally work in the oilfields (fediddlein OSHA!!!), have only stayed with my folks for bried periods since then, and only out of necessity.
OTOH, I worked at a gypsum wallboard plant from 1986-90 and there were several men there who still lived at home with Mom and Pop.......the oldest was in his late forties
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I've told my kids they're gonna have to be planning on their own places and jobs before they turn 18 or graduate high school, none of this "I'll look tomorrow for a place. Going out with the guys, cya later folks!"
Incentive to go to college and get an education (not party all the time): My grandparents set up a trust fund for my two sisters and I; when my dad passes on (which hopefully will not be anytime soon) we each get an equal share of the moneys in the fund. I've already talked to the trustee in charge of the accounts, am gonna give my kids the full ride to college and a good vehicle to get them back and forth........PROVIDED that they make the grades and do what the hell they are supposed to do there, not party all the time and flunk out. If they choose the party route, the rug gets pulled out, the car/truck/SUV comes back home to Papa (me) and they sink or swim on their own.
Harsh? Not in my book. Too many kids who have everything handed to them on a silver platter never appreciate what is done for them and expect things to just be provided for them at their leisure. Make 'em earn their way, or part of it, and they find out that nothing comes easy or free.