BBNaija -TBoss And Big Brother

This is my two cents on what I have observed concerning the big brother show...I may be wrong though and definitely no hating! I have been watching Big brother for two days non stop and something struck me....Why is Big brother always calling TBoss to the Dairy room without televising it live or saying why she is called but when he calls someone else he says the reason why the person is via IFTTT