About UPSC 2016

Sir, My name is Mohit Raj. First I want to thank all ur efforts towards making this competition for all. Sir I have given pre this year and expecting result but with the tension also roaming around. Now the qstn is Mains preparation ‘when and how. I didnot check answer key bcz I will end up with creating tension for myself. Please guide me How sud I handle this situation or should i check answers key . Thank you so much