Are you familiar with the poem
Footprints in the Sand?
This is how I perceive God's love during really hard times in our lives.
http://www.onlythebible.com/Poems/Footprints-in-the-Sand-Poem.html
As stated, ****, horrible **** happens to include the loss of innocent children to illness or defect. Pain and suffering might be a necessary process to undergo as part of a larger plan and purpose for our lives.
I've experienced this personally on numerous accounts. That's the only evidence that I've needed. God has been faithful and has fulfilled HIs promises to me. But, that doesn't mean that I live without pain and suffering. Think what you will about God. You've the right to interpret God in any way you wish as do I .