The scene where Master Yu captured Lori to threaten Anxia and use her had been haunting her in her sleep ever since she gave birth. Thus, she decided not to get Lori with any younger brother or sister before Master Yu dead.
Even though Anxia had the desire to have sexual relations with her husband, Anxia still refused to do so. Even though the man offered to use a condom or take the morning-after pill, Anxia still said no.
First, she knew Richard didn't like using condoms when intercourse. Then secondly, she didn't want either herself or Richard to take drugs like birth control, considering an enemy spy could have played a trick on the drugs.
Anxia was worrywart, but what could she do, for she was a trained assassin and had a hidden enemy out there.
Despite her resolution and worry about the incoming ambush, Anxia couldn't think at the moment.