The thoughts you have will determined the kind of decisions which you will be making , it means your thoughts have a powerful influence over your decisions and so the wrong thoughts can lead to the wrong decisions same way the right thoughts can lead to the right decisions.
You have to ensure that you do not allow negative thoughts if you really want to keep making the best decisions in life , negative thoughts will not give you the right power to make the best decisions , you should learn to fill your mind with positive thoughts, fill it with thoughts that will add value to your life , not thoughts that will ruin your life or try to ruin your life..
Do you know that many people became depressed because of the kind of thoughts they have , the thoughts led to the depression , the depression did not just happen overnight for many people, it grew from negative thoughts to negative feelings which then led to depression...
So staying away from negative thoughts is a powerful decision which will help you to be able to stay away from depression or prevent you from experiencing depression.
Infact avoiding negative thoughts will make most of your emotional problems to be half solved at least , it will make you to be able to avoid psychological problems that might want to ruin your mental health..