Men, as human beings, have needs and desires (including emotional ones) which change and vary. When we need something or have a desire, we are operative, active and driving, but when our needs are met, it becomes dull.
Let him feel a constant desire. Love is one, a long lasting desire – make this desire part of his life – make it his journey, not his destination, coz when he reaches the destination, he has nothing else to do…….