Talk:The Last Problem/@comment-44177811-20191130193522/@comment-32292959-20191130201008

He refers to that theory that could possibly be true about alicorns being immortal, so that's why Twilight became like the princesses, while the Mane 5 just aged a little. So we can assume that Twilight will live forever and be forced to see the Mane 5 age until they die.