Positivity will not solve any problem that you have, but for sure it will make the path more pleasant.
We adopting a positive mentality will not make any problem to disappear, the important is us when we have something to be done, it is to make the correct measure to solve the necessary problems. Not doing anything about it and thinking that everything will be fine is something really catastrophic.
Now, once what needed to be done to solve the problem has been done, everything that is left to us is to keep walking. And how pleasant this walking will be, it will depend on your positivity.
Positivity is something phenomenal once that the correct measures were taken, because it will make the path extremely light and cool.
You thinking that everything will be fine makes the world to look like magical, it makes that you sleep well and smile.
We will Always be submitted to chance, that is, for more than the chances of success are low, you never know what life reserves for you. So, after the necessary measures has been taken, there is no reasons for you to have a negative mentality.
In this way, smile! Because everything will work out and life will guide you for way better paths that you had in mind.