How to recover my friend from a love failure?

he had a break up with his girl friend because of sum family situations, i want him to *** over tis. Can u jus temme sum ways of gettin him out of tis situation. He is really thinking abt tht girl itself, nt eatin prply, nt concentratin on his work, sumtimes evn cryin. m consoling him but nothin wrks out hlp me!!...