 So, for example, I mean, as I understand it, and look, folks, I mean, don't take this, I mean, you need to talk to somebody that knows what they're doing, but as I understand it, if you left the Earth right now at the speed of light, headed toward Sagittarius A star, which is the center of our universe, and you stayed gone near about the speed of light for, let's say, five years, and then you turned around and came back, so that would be 10 years,