god only meant to be treated nicely?

在Freinds 第三季第16集中，chandler说：“I don't think you can make that statement unless you've been kicked in an area that God only meant to be trated nicely” 这句话的最后一个定语从句指的是男生的重要部位，这个定语从句有什么典故还是是美国人的习惯说法呢？为什么God only meant to be trated nicely 是指那里？
中文翻译是影片里带的，不是我自己翻译的

unless you?ve been kicked in an area that God only meant to be treated nicely. only god knows why中文歌词 only god can judge me什么意思 大家知道only god knows why这首歌曲吗? 谁有only god knows why这首歌的介绍？ 谁能帮我翻译下only god can judge me? God knows who is the only one I love meant to 有没有关于“god only helps those who help themselves”的英语美文？ God can't help you.Humans can only save hisself or herself.