The article towards the end states "Jehovah's witness policy is that they never approach a home and knock unless there are at least two people."
B and S - I know plenty of brothers and sisters that go alone on their BSs, RVs and door to door all the time in fact many prefer it - I know I did too towards the end, it was just easier than trying to make arrangements with others. And what about the odd person out at the end of a field service group??