What was it that gave Ammu this Unsafe Edge? This air of unpredictability? It was what she had battling inside her. An unmixable mix. The infinite tenderness of motherhood and the reckless rage of a suicide bomber. It was this that grew inside her, and eventually led her to love by night the man her children loved by day. To use by night the boat that her children used by day. The boat that Estha sat on, and Rahel found.