When it comes to the family, dynamics are changing. There is no longer one dominant family form in the U.S., according to Pew research. Parents are waiting longer to have children, and many millennials are living at home or taking a less direct route to adulthood. These shifts will continue in 2019 and shape how affluent families tackle interpersonal issues. As wealthy families move forward, there are three trends they should keep a close eye on and discuss with their family office or other advisors.