Wow, I've got this too. I thought that I was the only one. Now me, I have these feelings and I know that they are there and I also know that the only way to make them go away is to show myself that there is nothing to be afraid of. You see, friend, I get this feeling almost every time I attempt to do this and whenever I do, I simply tell myself not to trust my own judgement when it comes apprehension. I remember I was telling myself this as I was drifting off to sleep. Funny thing is I just happened to become lucid as I was dreaming and I immediately became overcome with fear and doubt. I was getting ready to wake myself up when I reminded myself that I couldn't trust my own judgement when it came to apprehension and I continued on in spite of these fears. The first thing I did was speak to a dream figure as I would speak to a normal person and all of the dream figures were very friendly and I was at ease.

I can't say that the fear has gone away completely but it is fading as I continue to do this. The key was moving forward in spite of my fears and thus allowing them to fade on their own.