About the possibility of an afterlife: There are just so many doctrines, theories and religions nowadays and through all of history to pick from that if I have not acted according to the precepts of the "correct" and "real" one, I actually had no way of knowing and thus I'm not guilty nor should I be dammed, oh god, it shows that I have been brought up catholic...
About being /feeling "nothing": we will get there eventually, regardless of whether we ctb or wait for death to happen, it makes no difference, that is the only truth in life.
I find it funny that us as species have pushed, advanced so much and compiled so much knowledge, only to realise, at least some of us, how pointless life is.