It not only eases the conscience of the deceased koved ones when
adressed but your own Death like life occurs so naturally that since life was unasked for that death is the same and a belief in unawareness is impossible and an afterlife not only feels good but that death is not the end but that only a new beginning. Life is inconceivable without life ad infinitum. Death is a farce played on us by some unknown ultimate answer or powers?
After all why do we question about life after death in the first place?