bad breath and body smell

my breath gets worse when i am around people and i sweet really bad and am always hot. My breath is really bad no matter if i have justed brushed my theeth they still smell bad , i get really embarrased about this as i feel like i cant get close to people also i wont to do is give someone a kiss without thinking shit i hope my breath didnt stink . All though the day i think of eat i try to eat food or chew all day long to cover it, it seems to get worse when i am nervous or around alot of people. please help me or suggest anything. Tweet