Answer:
Because they were moments of affection and happiness that she lived with her parents and with people she loves.
Step-by-step explanation:
When Nisha says "I knew I would remember this forever", she is in a very bad moment of her life. She is consecrated, hungry and very dehydrated due to water deprivation. In that extremely difficult moment, she starts to remember small gestures of love and affection that she witnessed for her parents and friends in the moments when she was happy and had a normal life. These moments are very remarkable for her because it makes her have good feelings and memories, for this reason, she says that will remember forever.