  We discuss implications of the large eigenvalue of the cosmological constant
seesaw mechanism extending hep-th/0602112 and hep-th/0604108. While the
previous papers focused on the small eigenvalue as a cosmological constant
associated with the accelerating Universe, here we draw attention to the
physical implications of the large eigenvalue. In particular we find that the
large eigenvalue can give rise to a period of inflation terminated by Universe
decay. The mechanism involves quantum tunneling and mixing and introduces
parameters $\Gamma$, the decay constant, and $\theta$, the mixing angle. We
discuss the cosmological constant seesaw mechanism in the context of various
models of current interest including chain inflation, inflatonless inflation,
string theory, Universe entanglement and different approaches to the hierarchy
problem.
