i dun want go nasional service

i really think ns forgot me liao ler.but on yesterday i recieve the letter ask me go.what the f.............i really sad.who can help me and ganti me go.because for going to ns i use alot of money to buy thing.and my mums scold me and ask me bring my room go there,if can i really wish i can bring my room, i crazy d dun care what i say.