Let’s complete the story I start below:

 

He had woken up with a heavy feeling in his chest in the middle of the night, which did not let him sleep back. After a few unsuccessful attempts to sleep back, he decided to get out of bed and start his day. He felt unusually tired, so whatever he did was half-hearted. To gain a bit more enthusiasm, he went out. All he wanted was to get some fresh air but he would soon witness a surprising incident, which would change his outlook in life and made these days with heavy feelings easier. [Your continuation goes here]