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.
Hi I live near allyackles who is my friend (its my care in the community good deed!) and we were wondering if you would like to meet us together? We hang out in the city or at each others houses often so you're more than welcome to join us. Would be lovely to hear form you XX