hi you guys ckders!

i'm thinkin on switchin to ckd but i need a little push (like why or do i really need to stay on 20g carb) and also basic help (apologize if it sounds stupid)

my question is from this thread (i posted on atkins but then again i know i should really ask you guys here too)

http://forum.lowcarber.org/showthread.php?t=187686

appreciate your time to answer my question and thanks in advance. cheers