Unavailable to focus on work. In mind.

Actually I don't know wheather I am going through a mental disorder or what ...but there is thing I need to clear...until nd unless...some one who had achieved what I want to achieve...if I don't tell them about my daily work ...I didn't feel that I had done something...it was ...last year neet attempt...nd I don't know how...although I had all the knowledge worked so hard for that...though I felt that I don't know a single concept...nd even I can't click things in time nd scored 250+ marks only...nd then this year...the whole year I just studied nd studied...even one of my friends who said that I had studied more than him...though he was my class topper...I had scored 400 this year...I don't know what to say exactly on this situation...but something is miserable wrong ...what my fears I had in mind... every fear turns out to be correct after one year or 2 or 3or 4...I m just worried about my academics...nothing more than that...Is this a mental disorder what we fears...it turn rigt