Why does Carlson suggest killing candys old dog and what does this suggest about him?

Carlson suggest killing candys old dog because he is smells bad and is going to die and he doesnt want to see no dead dog, this suggest that carlson is heartless and doesnt care about candys family the dog and the only true friend he ever had.

thank you for taking time to read this. this is a really good answer it got me 25 points on mcas =p

sorry if my answer is middle school like =p