Sam Keen said the difference between romantic fairy-tale love and real-world true-love is what he calls "the passionate fight." If you really love someone or a group of people or even a cause like global warming; you will fight for it. You will fight with all the fire burning inside of you. Couples that are involved in mature love will fight with each other all the time. The difference between them and bickering juveniles is that they are fighting "for" each other and for what they believe to be the best for the relationship.
Think about that while you watch this video. Some might think these are two hot-heads trying to be tough. But these guys are doing something that you rarely see on tv, they're actually fighting for what they believe. Much props.