A successful relationship requires falling in love many times, always with the same person but deeper and deeper every time. 
Falling in love is the easiest part of any relationship, maintaining that relationship is the most difficult part. It is the job of both people participating in the relationship to keep the relationship as interesting as possible. During a relationship things will fizzle down, as with anything we do in life, nothing lasts forever unless you make it last. The feelings of love we first share when we first fall in love are actually a result of natural chemicals in our body being released, and overtime our bodies release less and less of these chemicals. So in order to re-ignite the spark we can do a variety of things. Maybe you can try to spice things up by sending your lover on a wild goose chase, and end the chase with a romantic picnic or candlelit dinner at the place where you had your first kiss, or where you first met. Surprise your lover in the morning with breakfast in bed, a nice set of flowers, and a card just to tell them in print how you still feel about them. Make an intense gesture of love by planning a romantic getaway for your lover on your own birthday, citing that without them there on your birthday, you wouldn't even want to celebrate. There are many other things that you can do for your lover as well to make the love keep flowing, just use your heart and the creative ideas will flow.
Most relationships tend to fail. Not because of absence of love. Love is always present. It's just that one was being loved too much and the other wasn't being love enough.
A relationship is a contract usually between two people connecting them emotionally and physically. Most relationships are started with the intentions of a couple spending the rest of their lives together but not all relationships work out. There are a variety of causes to the ending of a relationship including but not limited to: a cheating partner, a controlling partner, an abusive partner, a lack of communication from both partners, and partners becoming "burnt out" or tired of one another. In all of these causes to the ending of a relationship the key seems to be a deprivation of the binding glue of a relationship, love. Love is what holds a relationship together and when one or both individuals participating in said relationship lose the amount of love they once had for one another, or the love they once had for themselves, the partner/s resort to relationship ending tactics such as cheating, and abuse.
The fish said: "I can't see my tears because I'm in the water."
The water said: "I can feel your tears because you're in my heart."
Lesson: We may hide our own hurts and pains but never can we lie to the people who cares for us the most. Words aren't needed for them to know how we are.
