Foresight: The Power Of Future

Time is omnipotent. It can only flow like a river in one direction, from Past to Future. But what if one gets the ability to see Future? i.e. Foresight.

Victor, a 16 year old, sees skillbook 'Foresight' in his room. While picking up the book, he obtains the skill 'Foresight'.

What will he do with the skill?
How will he use the power to see future?
.....