Matthew was standing on top of the slope situated right behind the encampment where the Grand Crusade was. By seeing all those tents of different colors, he felt his heart getting warmer. He barely could believe that he thought for even a moment about leaving that place just to live with a random doctor that he knew during his adventures.
Not that the random doctor wasn't someone worth it, but everything that he helped to build until that point was way too precious to be left behind all of a sudden without a second thought.
'I think that passion can drive people to do really crazy things, huh? I wonder just how would be my life if I had chosen to stay there. What would my days be like? Could that simple choice of mine change the entire world?'