Same reason why non-Christians do. It is part of the mourning process. It is psychologically healthy, a cathartic release. Even Jesus wept when Lazarus died.
On the other hand, Christians know that physical death is not the end. We have hope in eternal life. Spiritually speaking, I can even rejoice in my death and my Christian friends' deaths.
In practice, both reactions can be exhibited.
On the other hand, Christians know that physical death is not the end. We have hope in eternal life. Spiritually speaking, I can even rejoice in my death and my Christian friends' deaths.
In practice, both reactions can be exhibited.