code: protected final String convertToYearsString(final long totalDays) {
  		final long years = totalDays / DAYS_PER_STANDARD_YEAR;
  		final long days = totalDays - years * DAYS_PER_STANDARD_YEAR;
  
  		return years + " Years " + days + " days";
  	}
docs: Convert to years string.
  
  @param totalDays
  the total days
  @return the string