Translator-Fag on 4-chan did a translation of these three, can't vouch for the accuracy myself though.
Updated
WHY AM I ALWAYS THE ONE HELPING PEOPLE GET TOGETHER?!ShakeI WANNA BE HAPPY, TOO!I'M GOING HOME!Ms. Smith, your underwear...Shake[ Both the letters are to the affect of "Thank you for setting us up together as my host family! We're now dating! ]I HATE THIS!