Career or mental stability..?

hey..i am in my final year bt unfortunaletly had my break up in feb 2011...after dat i kept talkin about my ex to every1..discussing arnd 10 hrs n den it was depression n searching the net for silly topics..n i actd very absent minded infront of my friends saying that i have got OCD as an excuse for gettng low marks...i kept thinking n thinkin...doing nothing..i approachd my ex atleast 100times..my condition s such that i now fear facing peaople..such low self confidence and wat to do..its my career year..i hav always been a topper..n had high expectations frm maself..i feel like repeating an year and taking up personality development classes or other hobby classes..wat to do??