I've been doing that lately, too..Small breaks. Recently I've been drinking kava no more than three times a week, but am going to cut that down to no more than 2 times a week. Not only to assist my liver and kidneys from any potential harm, but because kava has become too much a part of my 'routine'. I can't really help it sometimes, after a long depressing day I just want to slouch in the couch with a few shells. But with the recent symptoms of kava dermopathy I've been experiencing, I think I am partaking a little too often and will discontinue as such. Not only that, but I respect these roots too much to feel as though I'm abusing them.
I do love that about kava, you can say 'alright, no more kava' and that's that. No physical withdrawal symptoms, only the psychological 'I miss kava..' kind of feeling which is easily disciplined.