Responses
The author was clearly trying to indicate that the husband was infertile. The neighbor finished inside her without a condom KNOWING he may get her pregnant. That’s why he asked for her husbands blood type. Type O can only have type O children. Both men were type O so it wouldn’t be obvious who’s kid it’d be

The fuck. The father of her child is the neighbor his husband also came insider her, multiple times, but she didn't get pregnant with his child.