It is wrong to worry your grandma.
Danny is taking a trip through Europe and his grandmother asks him to contact her a least once a week to let her know how he is.
Danny wants to travel through Europe.
Danny travels throughout Europe contacting his grandmother at least once every week as he goes.
Danny travels around Europe without contacting his Grandma even one time.
Danny's grandmother is relieved to hear that he's doing well and excited for his adventure.
Danny's grandmother becomes scared that something terrible has happened to Danny during his travels.