def birthday?(date = Date.today)
      return false unless have_birthday?

      # NOTE: birthday is "mm/dd"
      month, day = birthday.split("/")

      birthday_date = Date.new(date.year, month.to_i, day.to_i)

      birthday_date == date
    end
def birthday?(date = Date.today)
      return false unless have_birthday?

      # NOTE: birthday is "mm/dd"
      month, day = birthday.split("/")

      birthday_date = Date.new(date.year, month.to_i, day.to_i)

      birthday_date == date
    end
Whether `date` is her birthday

 @param date [Date]

 @return [Boolean]

 @example
   Cure.twinkle.birthday?(Date.parse("2015-9-12"))
   #=> true