We constantly think about the outcome of any situations, not allowing us to live in the present, as we're just thinking about the future. I was once told that "we worry about life passing by so much that it just simply passes us by", and even though I havent been able to fully grasp this concept, it makes sense. We can say self reassuring words like "I am here, in the now" or "the now is what matters", but it also takes action; it takes courage to move forward without thinking about the future. When feeling like this, ground yourself, close your eyes, place your hand over your heart and just breathe as deep as you can and release. And restart.