I just thought of another take on the question, "Why are we scared to post?"

I mean, REALLY answer the question, but from your heart, not out of resentment toward other people.

What's the worst that happens if you open yourself up on an online forum, and someone jumps on you when you're feeling vulnerable? YES, I realize that some here have been hurt and abused badly, but how can we heal WITHOUT putting up a big wall around ourselves? It's real life - at no time in world history has there been perpetual peace and social understanding. It's probably not going to happen in our lifetime, not at PC or IRL. So it's up to US to figure out how we can put ourselves out there without being so sensitive that it causes stomach-wrenching or worse when someone posts something that seems hurtful to us?

So an alternate take on the question, if I may, is:

"How can I balance other people's opinions against my own feelings of self-worth?"