"To answer the question, what you do next is to remove yourself from further inputs. As long as you keep feeding your brain with more data, the queries never resolve, and eventually the stuff you fed it first will fall out of the context window and amount to nothing."
Similar/Related: If you are trying to fall asleep, and you mind is filled with thoughts, a solutions is to count (does not need to be sheep just count numbers). Counting distracts and occupies your mind from being distracted with whatever your anxiety (or excitement) thoughts are. (Source: It works for me). Anything can really be substituted for counting as long as it's not exciting or anxiety producing.