A child imagines a monster under her bed. The message is clear. To escape those fears, we stop imagining. That's all in your imagination. I think you see my point.
Imagination is bad, scary, destructive and counter-productive.
And so, the imagination is trained to retreat itself to the recesses of our memories. But for most of us, the imagination is considered a childhood luxury and not to be delved into as adults. Ah, but we do. And you just exercised that amazing human ability to venture off in your own mind to another world of possibilities. Like any other skill of the brain, it would follow that if you have the capability to utilize this aspect, then you should be able to strengthen and refine it, train it and explore it.