Gawain felt it was time to reveal some matters to those whom he trusted the most.
People like Aunt Heidi, Rebecca, Byron Kirk, and Amber—they have spent the most time with Gawain, know him the best, and their trust in him is unquestionable. Time has proven that their support for the current shared endeavor comes from the heart, making their words and actions mainly driven by shared ideals rather than mere interpersonal relationships or interests. On the other hand, having spent so much time together, they have realized many of Gawain's special qualities and his close connection with the Voyager's heritage to some extent.
Since none of them are fools, it is better to explain some things in advance.
