I believe in loving someone so much you want to fight to keep it at all costs, but not "True Love".  Sadly, though, most people don't feel that way any more...  They think "Mr. Perfect" or "Miss Perfect" is going to appear. They fall in love. They fall out of love. They divorce, and then they start searching again; they don't bother fighting FOR each other, just AGAINST each other, which is why being FRIENDS in a relationship is the number one most important, because you fight to KEEP friendships.
True love is a lie; a romanticized version of life we came up with to counter what we perceive to be problems in relationships, but instead of thinking of it as a joke, as an idealistic vision of what love MIGHT be with the RIGHT PERSON, we accepted it as what love SHOULD be, what love IS, and what love NEEDS to be!  We took it and said, "We want this because we don't want our love to get stronger over time, we want it to be strongest it can be all the time!" which is the exact opposite of what needs to happen.  A relationship is about being with one another to overcome trials and tribulations between the two of you, about how both people wish to foster and enhance the spiritual and emotional growth of one another, in order to get stronger bonds.  The difference between a Romance and a Romantic Relationship is the relationship part of it.  If all you think about is the romance part, then you're only getting half of the deal.
People use "relationship" as the term for when one is "in love" or when one has a romantic interest who requites said feelings.  This isn't what a relationship is.  A relationship is simply the way two people RELATE to one another.  You can have hostile relationships (ENEMIES), friendly relationships (FRIENDS), genetic relationships (FAMILY), romantic relationships (ROMANTIC INTERESTS), or even long-distance relationships (PEN-PALS).  Why have we corrupted the use of that word, when understanding what that word means is the key to a successful LOVE RELATIONSHIP.
And for that matter, love isn't just feelings of romance for or with another person or thing (not trying to exclude anybody), but it's also the way you feel about your friends.  If you CARE about somebody, you love them.
And as for the truth about romantic relationships?  What you want is to grow more and more attached to one another as time goes on, and you want to keep things fresh, to keep things new.  You want to be able to talk to one another and you want to be able to resolve conflicts.  I'm not saying having fights in relationships is healthy, I'm saying RESOLVING them is healthy.