The sort of makeup you use can actually prevent chapped lips. Use or switch to glossy lipstick, as matte has no moisturizers (and can actually dry out your lips on its own).
Before bed, rub a tiny bit of toothpaste along the gumline near the sensitive teeth -- you shouldn't brush or rinse afterwards.
Stop discoloration on your fingernails and toenails before it happens -- always use a clear coat under your polish. It takes a little extra time, but your nails will be much better off!
There are plenty of simple ways to reduce your sodium intake in addition to foods marketed as "low-sodium." Eat more fresh fruits and vegetables (canned and even frozen ones contain high amounts of sodium), switch to lowfat dairy products, and ...
You already know you need to brush, floss, and yes, even brush your tongue. But antihistamines, nasal sprays, and even antidepressants, all of which dry out your mouth, can give you bad breath, too.