-What is the situation on the map?
-Based on that assessment what do I want to do?
-What do I need to make it happen?
-Alternatives?
-Do it
-Loop

You need to be able to answer these questions even when you are chasing that fing Ezreal/ Kayn/ Fiora with 28 hit points left after a won team fight, because if you don't you are going to miss out on actually important things like getting Baron or taking a Dragon or getting your lanes right for the next thing you want to be doing on the map.

If not you are tunneled and tunneling is going to lead to more problems/more missed...
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