"When two unmarried publishers of different sexes come to the KH for the meetings, it is inappropriate for them to exchange any other information apart from the subjects to be presented at that meetings and apart of speaking about encouraging field service experiences. Talking about trivial matters in the house of Jehovah may lead the individual's mind on the path of sexual misconduct, porneia or even fornication, especially if that individual is young and his spirituality is weak."
WT, october 2012