It seems as if it will never end but it does. Does anyone at college know how you feel? They often change at 17/18 when they realise that they are no longer children and must take on adult life.
Does he have any ambitions for his future, are they realistic?
Some pastoral care or counselling at college may help him realise that he has talents and capabilities and can shape his own future.
Does he know how you feel about your freedom? He probably sees you as someone. Perhaps the only person, who will always be there whatever he does. If so he would be shocked that you've had enough of him.
How to Keep Living at Home Longer
When a political leader lies on their CV - can you trust them?



Tell your grandson you love him and he will probably reply along the lines of 'Well so you should' or 'It's your fault I was born' or 'Give me money to go out' or 'Stop having a go at me then'.