code: private void nextStatusUpdate() {
  		this.nextStatusUpdateNode = NeoUtils.getNextSingleNode(
  				this.nextStatusUpdateNode, SocialGraphRelationshipType.UPDATE);
  
  		// load status update time stamp if existing
  		if (this.nextStatusUpdateNode != null) {
  			this.statusUpdateTimestamp = (long) this.nextStatusUpdateNode
  					.getProperty(Properties.StatusUpdate.TIMESTAMP);
  		}
  	}
docs: load another status update<br>
  (will cause an exception if called twice while none available)