God will prepare everything for our perfect happiness in heaven and if it takes my dog being there I believe he'll be there.
Read the Bible. Work hard and honestly. And don't complain.
Discernment is God's call to intercession never to faultfinding.
If anything we older people yearn for a peaceful world even more than young people do. We are the ones who lost friends or relatives in some war. We are the ones who have lived a lifetime of seeing and reading about human suffering.