Creativity

On the face of it, one could think that generosity is directly opposed to the survival instinct. Isn’t thinking “me, first” a major part of survival, and isn’t survival what every thought and action boils down to? This is pretty basic stuff. Why, then, bother being generous? Why give away one’s money, wisdom, and most precious of all, time, to anyone or anything else? Why does generosity, in its purest sense, feel so good?