One of the reasons that you would like to get your teeth looking better is your confidence.
When you are lacking in confidence especially when you smile and people look at your mouth and see your discoloured teeth, it will immediately put you on edge and you start to lack in confidence.
It is very easy to get in the habit of not smiling, You cannot always smile from the inside, you have to be able to smile from the outside also.
When you know that you look a million dollars and your teeth look beautiful, it adds to your confidence and makes you want to smile and laugh all the time.
Another reason could be hygiene.
Even though you have brushed your teeth a thousand times, it still looks dirty to other people and to yourself.
This makes you want to change your toothpaste to one that might contain bicarbonate of soda which has been known to whitening your teeth while you brush, but is that enough? The main thing that will make your teeth look better could be drinking less of the substances that stain your teeth, like tea and coffee.
Over time these liquids darken your teeth dramatically, but you have also become addicted to these liquids.
So maybe, try reducing the amount that you drink and you will find that your teeth will start to improve from what they already are.
Everyone deserves to have their teeth looking better, whatever that means to you and now there are plenty of ways in which this can be done.