Under Depression Due To Marriage Issue. Help?

my friend says she has cfs she is over weight.she says she eats healthy noooot she SAYS SHOP MADE DATE SQUARES AND BRAN MUFFINS ARE HEALTHY LOL ..SHE IS 65 SAYS SHE HAS BEEN THAT WAY SINCE SHE WAS 21 I AM NOT A DOCTOR I SAY SHE IS VERY DEPRESSED BECAUSE OF THE LIFE SHE HAD AND THE MARRAGE AND HER HUSBAND DIEING IN HER BED HE WAS NOT A GOOD HUSBAND ..SHE IS ALWAYS TIRED CAN DO ONE THIN G A DAY MAYBE NOT..BUT IF SHE GOES OUT TO A BAR SHE CAN BE THERE FOR MANY HOURS..TOLD HER TO SEE A GOOD DOCTOR BUT SHE IS STUBORN ..I READ UP ON DEPRESSION AND SHE HAS ALL THE SYMTONS BUT SHE SAYS SHE ISNT SHE TAKES SOME THING FOR HER BUT I KNOW ITS NOT THE RIGHT THING..HELP FOR HER