Everything living tries to get back to the soil - Domashita Romero,  serenity_winner Light Spoilers Ahead.Abraham and Red were best friends and when the world is ending they are together to face it. This is a surreal & apocalyptic story and not m/m romance. Sure, there are hints that Abe and Red were more than friends, but if it was, it was a long time ago and when they have sexual outercourse it's more about bonding and comforting, and not an act of passion or desire.