You cannot hope to control your emotions using your thoughts, but you can hope to control your thoughts using your emotions. But how do you control your emotions without suppressing them? After all, our goal is to master our lives, not makes ourselves mentally unstable.
You cannot stop using the Law of Attraction, but you can use it to stop attracting what you don't want so that you can start attracting more of what you do want.
How you speak to yourself is of utmost importance. Words have power. Words are vibratory constructs filled with meaning, and their usage, however subtle in difference, not only reflects ones emotions, but can dramatically affect them too.