Estelle does what she can to pay the robber’s kindness with the fireworks forward. She, the robber, and the robber’s daughters form their own chosen family in the apartment and continue to support one another until Estelle passes. The fact that Estelle stole the drawing from Jim highlights her understanding that the robber did everything for her daughters—now, she’ll have the reminder of what she’s working for on her fridge, where she can see it every day. And the unexpected positive outcome of the robber’s attempt to rob the bank is that no banks actually end up getting robbed, a small but delightful detail.