If the flash-sideways afterlife was really a construct of the dying moments of each of the character's lives, I have to think they would have chosen the construct that doesn't involve Nikki and Paulo.

-Wouldn't it have been better to lure them all to the plane and blow it up? It was already rigged.

Alex Rousseau was born on island (to a mother who washed ashore from a shipwreck, no less) and was pretty definitively not immortal.

With the exception of Christian, whose body is MIA, the Smoke Monster has emulated Yemi and Locke without actually "inhabiting" their bodies (the latter was how we knew that UnLocke and Locke weren't the same to begin with), so my thinking is that it probably isn't any different with Being Titus Welliver. Sure,…