It was clear to Adam that Angela and Wayde were surprised by him cleaning the room quickly and his reasoning for doing so, but he was hoping that it showed them to care a bit more about how others were feeling and how their actions impacted others.
Adam remembered that his aunt was once a cleaner and had taught him one thing that he tried to live by as much as he could.
When treating others or seeing others in a bad situation, imagine they were a loved one before acting or deciding whether or not to help them.
Adam had also adopted that ideal when dealing with others who were wronging others and imagined that they were wronging somebody he cared about, which was why he found it so easy to kill people who were wronging others without thinking about it twice.
Although he knew that those he killed probably had family that mourned for them, but on most occasions, when he killed, he was sure that the person he killed deserved to die.