"Oh, most of the time they are with their parents. We only help out when they are both busy." And they are busy a lot, but that was part of the set-up. Originally only until Inger and her fiance finished college, but then getting settled on the job took a lot of time too and the arrangement never ended. Not that the grandparents mind, their job is only downstairs from where they live and it's not like they already stopped being parents themselves, with two sons in the middle of puberty...