private void checkDiscipline() {
		int period = (isRude() ? 1 : 2) * DECLINEPERIOD;
		if (getAge() % period == 0) {
			if (--shittingDiscipline < 0) {
				shittingDiscipline = 0;
			}
			if (--excitingDiscipline < 0) {
				excitingDiscipline = 0;
			}
			if (--furifuriDiscipline < 0) {
				furifuriDiscipline = 0;
			}
			if (--messageDiscipline < 0) {
				messageDiscipline = 0;
			}
		}
	}