well put guppy...
that is probably the single most toughest thing to have to explain to a non-believer- why does a loving God allow bad things to happen? Death is the ultimate God-turner-away-from (if that's a slogan??) I have known people who are STRONG believers but when a close loved one unexpectedly passes, they turn on God. It's scary because I have never had someone extremely close to me pass away. I can only hope and pray that my faith in God will get me through it.
Non-believers also think that loss of jobs, bankrupcy, gambling debts, etc... are all because God doesn't love them or have time for them. God allows us to LIVE OUR LIVES how we want. And ultimately, he judges us on our lives and if we are Christians or not and if we lived our life in a Christ-like manner.
It's just extremely tough for a believer to explain to a non-believer why God sometimes allows bad things to happen.