That is the great mistake about the affections. It is not the rise and fall of empires, the birth and death of kings, or the marching of armies that move them most. When they answer from their depths, it is to the domestic joys and tragedies of life.
Once you discover that you can, then you must. And it's not easy. You have to take direct steps. You really have to count your blessings and you have to make a decided effort to not get seduced by the blues.