Even accepting most of the "equilibrium" premises, the author misses the temporal trade-off: I suppose a lot of people choose to be unhappy in certain moments o

Even accepting most of the "equilibrium" premises, the author misses the temporal trade-off: I suppose a lot of people choose to be unhappy in certain moments of their lives so they can be more happy in others -- it's not a greedy, monotonic response that would lead to the mentioned equilibrium.