Eternity in Heaven - Scary?

[Amarok]

Forget Hell for now as that's a whole different can of worms.

So I came across an article not too long ago and it was an atheist article and I was reading through the comments. One of the comments I came across was someone explaining that the idea of spending eternity -anywhere- was nearly panic inducing during their time as a Christian. It was the first time I had ever heard or read anyone express this so strongly.

So for those of you who used to believe in an eternal Heaven, I am wondering, did any of you share similar feelings about it?

Heaven is most nightmarish concept i can think