The first thing I learned from this story is the value of true love. Della and Jim love each other more than they love themselves, for they are willing to sacrifice the object of which they are proudest, her hair and his watch--in order to buy something which they hope will please the other. For this reason O.Henry states that, paradoxically, "these two foolish children in a flat" are the "wisest of all who give gifts," wiser than the Magi who brought expensive gifts to the baby Jesus because they brought of themselves; they gave of their hearts. Jim and Della are wise because they realize that their love is far more important than any material gift. The story sounds stupid, and they lost things, but they received much more than it. It is not the gift that matters, it is the sacrifice offered, the effort given, the lengths that one is willing to go to in order to show your love for someone.
Beside the value of true love is about sacrifice, i think this story is also teaching us how to react as a receiver. When they received the gift from their lover, they feel happy and they cherish the useless gifts. In fact, the gifts actually cannot used at that time, they are not valuable anymore. It is a kind of rediculous. But Della and Jim, they are all Magi, they did not antipathy the gift and they did not complain about each other. In the real world, we have some