I suggest giving him/her some deodorant as a gift. Surprise them with a basket of stuff...put munchies, shampoo, deodorant, body wash, etc in it. If he/she doesn't get the hint, you might just have to come out and tell him/her about the body odor.
The best way to find a trustworthy flatmate is through common friends. This way, both persons will know from the start the personality of the flatmate.
The Abominable Flatmate - 2008 is rated/received certificates of: Australia:G
You can tell by the smell if it smells like rotten cheese boy and if it smells like melting something girl
"No offence, but its smells very bad in here."
it smells like a carcass
the oil is darkit smells burnt
Call the authorities and find yourself a new flatmate. If that one is older than two years old, he/she has serious mental issues that you don't want to trouble yourself with.
because it smells like poo
if it smells abnormal if its growing mold
if it smells and tastes sour? also if its chunky
if she smells like a old dead fish.
You can tell if chili is bad by checking for signs of mold, off smells, or a slimy texture. If the chili looks or smells unusual, it's best to throw it out to avoid getting sick.