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" Quarrels "
In a relationship there must be a quarrels, a relationship that looks happy is not necessarily free from quarrels, even ordinarily that relationship is the most frequent quarrels, and the relationship that always happens in a quarrels doesn't mean the relationship is a failure. Because quarrels is the perfecting of a relationship, if there is no quarrel, then the relationship will be flat and boring.
In a quarrels you will certainly vent all your emotions and selfishness without thinking, which in the end you will regret with your deeds. So, when there is a problem in a relationship should be treated well and don't be easy in making their own decisions, so as not to cause a quarrels.
Actually the quarrels is also good for relationships, because sometimes such deep affection arises after a quarrels in a relationship, and it's this feeling of regret that makes you more loving and doesn't want the quarrels to reoccur. Quarrels also make you know more about what your real lover is, more understanding of each other, care more about each other and know more about what to do and avoid in order to avoid quarreling in the future.
Besides good for relationships, of course the quarrels is also bad for relationship, because if you get too emotionally, don't want to give in and don't care, then your relationship could have ended just like that. That's what makes this quarrels look bad for every couples.