Question On The Parsha - Send A Post Card!

TWENTY TWO YEARS AWAY FROM HIS POP - HE THINKS HIS SON IS DEAD AND COSTANTLY MOURNS HIS LOSS - SEND A POST CARD AND SAY "DAD! THINGS ARE COOL. I'M THE SECOND MOST POWERFUL MAN ON EARTH. LOVE, JOE"?!!

Any thoughts?? [Besides the Ramban's explanation]