When you compare two or more things, the comparison must be complete, logically consistent, and clear.
Different from what? Adding from my friends’ parents tells readers with what the comparison is being made.
UNCLEAR | Aneil always felt more affection for his brother than his sister. |
CLEAR | Aneil always felt more affection for his brother than his sister did. |
CLEAR | Aneil always felt more affection for his brother than he did for his sister. |