how hard to say no?or 'no,thx'

i jus don understand..i am confused...
how hard to say no? it s hard..cos i dono wat he wud fel wen i jus keep turn him down,n do i sounds like "sorry i cant,cos i hav somthing on,m bz.." or "hey i don fel like goin out wif u,it s weird.." ??wat m tryin to say is i don wan any misunderstandin happen again.. n somtimes i reli der s nothin more den frenship..i hope he won get d wrong idea..n so i promised him ll ask him out nex week,which s d las weekend i hav in jb..

count down days to go to mmu:12 days..it s like i left one more week at home.. n i m suppose to go out met som frens b4 i go..but til now i stil haven meet mos of em..i ll miss em in melaka for sure..

wen ppl is unemployed n got nothing to do,ll get fed up ezly rite? yea i damn agree man..it s not onli me..i found tat my dad s d same kind of person.. i don like him nagging here n der,esp he s tryin to scream at u,talk to u loudly..hey cmon,this s ur home,not ur office,don scream at ppl can anot?n i don like him being too..xiao3 ti2 da4 zuo4..i don like d way he tok.. i admit i m being rude to him,yea mum said so..s in,i jus don like to tok to him,but i tel everythin to mum.din look at him or ignore him wen he s tokin to me (n i dono he s tokin to me?!)..cos HE JUS DON UNDERSTAND..hey i noe u hav ur plan,n i hav mine too,y m i suppose to go by ur way? i min ders nothing wrong wif my plan??man's ego..

to d photo dat i promis to update.. nex time wen m free ba.. (u r not free?!)..erm..