"One time I completely forgot about my homework  - and neglected my chores -  because I was at a friend's house for the entire weekend," says 18-year-old Zachary, from the United States.
Zachary loyi a nga ni malembe ya 18 wa le United States u ri: "Siku rin'wana ndzi rivale ku tsala ntirho wa xikolo ni ku endla mintirho ya le kaya hileswi a ndzi endzele munghana wa mina hi mahelo-vhiki.