Hi Tonay;

an old method taught to me by best teachers was to stand up and say with full conviction "I Can". Your intention is everything here, such as I can be positive, I can make this touchdown, I can do anything.

what this does is pretty much reboots your system and can be tested with simple kineseology tests so you can see the difference in yourself, if you need proof.

When Mr Negative shows up try the "I Can" thing and see if he doesn't go away.