After tea and coffee at their place, Sister Sue gratefully accepted their kind offer to walk her back to Manly Wharf and see her off. With Billy sandwiched in between the two women, they headed out and started talking about the wonderful night they had just enjoyed. Billy looked at the sister thoughtfully. “Sorry to interrupt you ladies, but something has been bothering me all night and I need to ask you about it.” “What, Billy? Don’t keep us waiting,” Sam said, annoyed at his interruption. “Are you sure you two are not related?” Billy carefully scrutinised them both. “What are you talking about, silly? Do we look related?” Sam replied with her hands on her hips. “Well, yes, you do, actually. I noticed the first moment I saw you together when you arrived at the apartment and dismissed

