Shame.....ah yes....the dreaded five-letter word.....Mouse your insight never ceases to amaze me! Shame is after all the leading reason, I think, we have a hard time with intimacy...that someone should see our naked need is so utterly shameful!
I think when a child does not receive what it needs to receive.....attunement and caring from his/her parents.....the child is left with feelings of shame....