me=bad temper

i have been feeling moody for a week. i wonder why should i care bout it. i really don't know whats the reason. and i feel that my temper is getting more and more irritable. i cant stop myself from scolding with using those rude words. even if someone talking to me i oso will feel like angry suddenly. OMG. whats wrong with me. please,i do not want you all to affect my mood. clear my mind and i may tell myself i am not care bout it.