Disclaimer: Unfortunately, I don't own anything. I'm just playing with JKR's dolls.
Remus Lupin
As Remus Lupin flew through the air, he knew that this was it, this was the end. He knew that when he landed, there would be no turning back; that would be the end. He knew he would die.
And he wasn't afraid. He had never been afraid of dying. He always knew that his life lay on the line for the cause for which he fought. And he would gladly give it.
But he had a wife, and a child. And he still didn't feel any of the 'appropriate' emotions regarding death. He welcomed it, because he wanted it. It was selfish, but he was excited.
And so, as he flew through the air, hit by an anonymous opponent's curse, he smiled to himself. His finally thoughts didn't linger on the wife he didn't really love, or the child he did love. It lingered on the one person he had ever really loved; the person he had lost without ever having told them how he really felt.
It wasn't that he was opposed to Tonks – far from it, it was just that she was a painful reminder. She was so like her cousin: headstrong, passionate, opposed to everything and anything dark, including her own family. But she wasn't him. She never would be, and she never could be. And Remus knew that, but still he married her. Because his death broke Remus, and once more he sought refuge in another's arms.
And his son. He loved his son more than anything on earth. But even he was a painful reminder. Because, fleetingly, passingly, he looked like a younger version of him. He shared hints of the classical Black features, of the aristocracy.
And so, as Remus Lupin finally, finally, fell to the floor, he beamed. To himself, to the world, he didn't care which. Because this wasn't the end. This was just the beginning. And he would see him again. He would be reunited with Sirius Black.