How to Deal With Negative Thoughts

When we're in this frame of mind, where we've got some weird thoughts, the right move is to not engage with them and let them spiral. What we actually want to do instead is kind of let them fizzle out. So then the question is, okay, if I shouldn't use technology, don't try to fix the problem and don't use substances. What should I do? First thing you should do is go for a walk.