help me plz

i really dont know what is happening to ME...I feel so tensed and worried about so many things ..i am getting angry even if its a small thing..i started taking everything too personal and it caused so many problem in my day today life...i got a tendency to fight with everyone and even stay away from them..i am just picking up fights to push them away from me ...i feel its better to be alone...its getting worse day by day...am I sick?