The novel has the themes of faith and trust. Being hurt in the past raises trust issues. This hurt has erected a barrier between individuals and between God. God, who should have prevented the hurt, or so it is believed. However being a Christian does not make us immune to bad things but when they happen we know we have God who walks beside us and who has promised to never leave us. God wants us to have faith and trust His plans for our lives.
There is the subject of loss. Grief can be raw for months and years after losing loved ones. Time and compassion are needed to heal.