By cleaning it and using a breath freshener....I would recommend using an "Oral-B pro-health cross action 7" toothbrush...It really is the best kind out there.
To make your breathe smell better you should brush your teeth but mostly your tongue. The tongue makes your breathe smells bad so you should buy this item to clean your tongue.
Hey you smell nice I don't make a lot of scents but if I did they'd smell like you.
To make people smell nice.
Snakes use their tongue to smell. tongue collect smell particles from air and tongue places the collected particles in a receptor at back of the mouth to analize the smell.
Depends what kind the person likes.
Glade, Febreeze, vent clips.