"From now on," he says, "I will be your uncle. But you must call me husband. Do you understand?"
I don't. Not at all. But I nod.
"The border is a very dangerous place," he says. "There are bad men there, men with guns, men who might harm you or try to take you away from me and Auntie." (54.UncleHusband.8-10)
With her stepfather Lakshmi could respond to his repeated lies by not trusting him, but with Uncle Husband she doesn't have the same luxury. In this case, her situation forces her to put her faith in him, though she knows nothing about him. Understandly, once she finds out about all the betrayals that brought her to Happiness House, she mistrusts anyone new.