Tonight...We Ponder

Why is it that we, as human beings, find such devout reassurance in the love of another? Why do we allow the love for another to supersede the love for oneself; especially when we know that the person closest to us has the infiltrating power to abuse that love. It is our human nature to always shield pain from being afflicted. Therefore, isn't it logical to bequeath one's heart to themself, sparing the pain and heartache that comes from loving another?
What is it about the occurrence of an unfortunate, yet mutually exclusive event that hyperbolizes the pain of having loved another? Does that coincide with the feeling of love being uplifted when a mutually exclusive positive event takes place? For example, the love you have for you partner is heightened upon, say, receiving a great pay raise. Most importantly, why does the painful aspects of love eclipse its gentle, warm radiance?
I'm trying to determine why love intertwines in every aspect, event, and stage of our life. Love determines so much of our life: how often we do a certain event, how happy our hearts allow us to be, where we decide to go away to whether it be temporary or for good. Love also determines if going away is temporary or for good. Love and logic are essentially the two tools we use in decision making. Yet, who draws the fine line of reasoning that create the distinction between them?
These are age old questions, I know. I am not the first to ask them and most certainly won't be the last. The questions themselves aren't the emphasis of this, though. The emphasis is if, and when, they will be answered
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