Snap - you get back on the horse, and you get a friend to give you a leg-up If you still keep falling off you look for the reasons and if you can't find the answers, and it seems like you might fall a bit too hard and do yourself some permanent damage, then you seek the help of a professional...
When you can't see the wood for the trees forget about the big picture. Just focus in on one tiny leaf and you'll find something good. Find the beauty in one small leaf and you will be able to see the whole tree, then the whole wood, and it won't look so bad.
As Ric said, there is always so