Emotional dependence - the addiction to love.
This game simulates how much classic separation and addiction-fighting phases are related in this respect. Coping with emotional addiction is like a house of cards - difficult to accomplish and easy to break down again.
The different stages of the phases are represented by the five levels in the house of cards. Building the house of cards requires patience and can be very frustrating when breaking in several times. One needs perseverance for a new attempt up to the maintenance of the construct.