You were a timetraveler from the 2000s, you had been found by Gandalf about 2 months ago, you didn't know why, or how, but he had seemed to take a liking to ou, hence why he treated you like a child, he was sort of you're mentor, he would often take you traveling. You were in Rivendell, where Gandalf introduced you to everyone of the fellowship, this was right after it was formed