How do you explain unexplained shame?

I avoided Facebook and linked in for over 3 years because I was ashamed and I avoided everybody at church because I felt like a fake and an impostor and I don’t know why I felt that way. I felt I would attract drama merely by appearing in public online. Something inside me told me to hide myself from the world. Now the shame is fading away, it gets weaker each day.

How do you explain unexplained shame?
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