Questions
1. What does Deckard do for Luft at the art museum before retiring her?

2. What is it about Resch that causes Deckard to think he is an android?

3. How does a human who feels no empathy towards the retiring of an android effect Deckard's concept of Mercerism and the rules of his tests?

4. Why does Deckard test himself?

5. What theory does Resch provide Deckard based on the results of Deckard’s test?

Answers
1. Deckard buys a book of Edvard Munch's paintings for Luba Luft before retiring her.

2. Deckard thinks Resch might be an android because he has no patience for Luba and because he lacks empathy for her situation as an android who seemingly wants to be human.

3. If a person who expresses no empathy towards androids tests positive as a human, Deckard must then find a way to incorporate the existence of such humans into his concept of Mercerism.

4. Deckard begins to question his own empathy towards androids because of how he feels after retiring Luba Luft.

5. Resch informs Deckard that he is sexually attracted to female androids and he tells Deckard that it is better to have sexual relations with an android before he retires it rather than retiring it first and feeling remorse for being sexually attracted.