Everyone is always worried about themselves even in marriage when you're supposed to exist as a single unit! I think this contributes to our high divorce rates and the reason that the sanctity of marriage has been seemingly lost.  When I went onto google to look up some marriage laws the entire right column was filled with online divorce papers for cheap and child custody for dad ads.  It's horrible to think about how carelessly some people walk into a lifetime commitment expecting everything to work out even though they aren't really willing to make the sacrifices it takes to maintain a lifelong relationship with someone.  You have to be completely dedicated and selfless in marriage cause as soon as you start dividing things up and saying this is mine and this is yours, you're already pre-gaming for a split because sooner or later someone is going to feel like the other person has more or better things.  When really the only thing you should be worried about is the other person.  Just think about little fights you get into with your significant other over material things, whether it be a car, a tv, or even something like the last of your favorite box of cereal.  If you overlook the object and you examine the emotions at play, you'd realize you're hurting someone you love over something that is only going to waste away in time and is never going to be able to reciprocate any kind of love or emotion back to you. We need to stop wasting our time loving unfruitful things that only benefit ourselves and start caring more for others and put more love out into the world.