Hacks staying on

[Skaterforeva1]

Ok so i just got a base to work for me. but Im having trouble haveing my hacks to stay on. this is the code im using

bool fps = false;
if(GetAsyncKeyState(VK_NUMPAD1)){
fps = true;
CPush("ShowFps 1");
Sleep(500);
}else{
fps = false;
CPush("ShowFps 0");
Sleep(500);
}

Please dont flame this is my first hack. And also as a great coder once said (not mentioning flameswor10) The best way to learn is from your mistakes.
so please just help me