Died, and rose again from the dead.
It's tougher than it looks actually. Like you don't believe and still think your only way to heaven is to earn your way. The islamic way is a convoluted system. You need a bunch of religiously intolerant and dumb moslem clerics to halal you all the way.
You just described your own prophet muhammad. From his past actions, he was totally depraved, he was sick, he was a killer and he was a rapist. And yet, moslem hold him as a prophet and someone to follow if you want to be admitted to heaven.
And remember, despite all their islamic rules, moslems struggle more with obesity, crime, drug addiction, war crimes, terrorism than Christians do, even in Singapore.