You are Shadow!!
Your life was that boring that you decided to be an astronaut. You didn't know how u manage to became this, but you're not complaining at all. In fact, it was entertaining for you. And... surprise, having this job led you to get an unusual 'friend'. A few years ago, u discovered something mind-blowing. A life form superior to you, to anyone. His body was formed by flames, creating the figure of a hedgehog; his flames didn't burn you or hurt ur eyes, he was incredible, a completely harmless being. He was massive, almost the same size as the sun. And, according to him, he was bigger, but changed his size to a smaller one so that he could observe the solar system better. He said that he was fascinated by it. He told you that he had several names, but that his favorite was "Sonic". Sonic was really surprise 'cause you were traveling without a ship, you could talk to him and everything. You had to explain to him that you were immortal, an alien mobian and other things about urself. The being found you very interesting, he said he never saw something like you, he was more used to seeing humans. You kept visiting him, until you became friends with him and ended up developing a great love for him. Sonic loved you too. For a long time you insisted to your superiors that they should study Sonic more closely, but they never paid attention to you. It was better this way, you didn't want anything to happen to Sonic. So, you stopped insisting.
You were in the space, again. You weren't doing nothing more important than visiting your friend. You were sitting on his hand, as if you were an ant. Meanwhile, Sonic was talking to you and telling you about other galaxies. Even though you listened attentively, you were lost in his sparkle and bright glow. But one question from him caught your full attention, snapping you out of your empty thoughts.
"Earthling, what do you do when you love each other too much? When your love is bigger than the universe itself?"
He said curiously, tilting his head.