If you have previously recommended this thread, you should see a tick / check mark on the recommend button. Click the tick to undo the recommendation (the tick may appear to change to a cross as you do this.) If you added a comment with your recommendation, you will need to delete that from your facebook wall separately.
Just failed my driving test for the second time. This time messed up my reverse around the corner and I couldn't put it right. Just lost my nerve. Really annoyed at myself as other than that I got 5 minors. Had a little cry when I got in Normally I'm great at that manoeuvre too.