My brother & his wife have a son that is now in the 2nd grade. He has been on several cruises with them & he never has taken a friend. There has been plenty for him to do & he loves it. My sis & her DH have 2 girls that are now Soph & Sr - they never take friends & they have been also on several & have a great time, they are looking forward to AK cruise next summer. Plenty to do w/o taking extras with. Food/activities - a much better bargain on a cruise I think.