she could n't afford to have feelings right now . got it when i was in the navy during the second world war , the farmer said then rolled up his sleeve . an idea , a small one , just a wren 's feather , brushed his mind . i was responsible , so i had to protect them and thought perhaps maybe they might be best kept safe by helping to keep the vault protected . '' then again , most people molly met seemed to be drawn to her . 