DEAR ABBY: Our 24-year-old grandson “Raffy,” a college grad from a respected technical institution, couldn’t find a job for a year after graduation. He has been living with us for more than six months without paying rent because we wanted to help him get on his feet. Currently, his only responsibility is helping somewhat after dinner. He now has a good job. I should mention that Raffy tends to be narcissistic. He frequently wears his baseball hat to meals, even though I have asked him not to. He can also be difficult to deal with, attacking me when there’s a difference ...