Haley is in a bind and can’t decide who she should spend her life with. Should she stick with Arvin, the successful scientist who has his life together, or should she go with Dylan, her high school boyfriend who is full of fun? Every decision we make, whether we realize it’s economics or not, has tradeoffs. There’s only so much time in our lives and we must make decisions. One of the difficult parts of “matching” is finding the right rate to minimize conflict and maximizing our happiness. Happiness, in this case, is known as interdependent. Her happiness will eventually be a function of her own utility, but also her spouse’s utility.