what to do ???

still feeling very stress and tired ... no mood at all .... i knew tat you all care for me and willing to help me ... but i dono how to tel you all my problems .... it's complicated i think ... i knew i should be happy and dont think too much ... but sometimes the problem just came out suddenly ... it's annoying but i just cant get rid of it .... feel difficult to breathe everytime face this problem .... dono how to solve and to take what action .... got who can help me ? i ady tried my best not to think abt it but still cant ... really really very tired ... wan to cry out and scream out, but cant, i scare to let ppl especially my family to know abt this ... how ? i feel that i'm very useless now ... no nood to study, results lik shit, everything was bad in myself .... can somebody tel me ? how to save myself ? can somebody tel me ? got what things is good in me ? i think the answer would be NO ! nothing is good in me, bad results, lazy, fat, ugly, emotion,summore ?