Stop talking about it and just do it
being half way along a sub optimal path is often better than spending an extra week working out which it the perfect path only to find that you have no longer got enough time to do the damn thing
There's not enough Latin in this thread, so here's some more: premeditato malorum .
Essentially, visualise what might go wrong so that you can be be prepared for it and react better when and if it does, avoiding the need to waste time being surprised, distressed, or even having to think about it when it's actually happening. Very effective when there are sheep at the side of the road on fast downhills :-)