Whether you have high-end jewelry, costume jewelry, or a little bit of both, it's important to make sure it is cared for properly if you want it to last a lifetime. Here are some tips you should know. Remove Your Jewelry At The End Of The Day Some people think nothing of falling asleep with their earrings in, their watch on, and their favorite chain around their neck. This is especially true if it is finer jewelry because there is a tendency to not worry about your ears becoming sore from cheaper metals.