This might be Jennifer Aniston’s biggest acting challenge yet! While promoting her new flick, Mother’s Day, the actress has been forced to awkwardly discuss her own mom, Nancy Dow — whom Jen disowned years ago. In a recent Q&A, someone who clearly didn’t do their research asked Jen what “quality do you have from your mom that you don’t like?” Her answer? Nancy made her a “nervous driver” because “she would always scream” when Jen was behind the wheel. (Who’d you inherit the ability to hold a grudge from, Jen?!) As for the best quality, the 47-year-old reluctantly admitted, “She had a great sense of humor.” Had?! Last we checked, Nancy, 79 (right, inset), isn’t dead — yet. “She’s hanging on, barely, but getting worse every day,” says a source…
