It is important to live life one day at a time. I'm not saying don't schedule things ahead of time or don't look forward to the future, but it is important to not focus on the past or future and to live in the present. We don't want to dwell on the past as it has already happened and we don't want to worry about the future as it has yet to happen. I have found lately that it is best to focus on the present and what is happening in the present and then don't regret things later.
Here is a video I did on Periscope awhile back: