An arrow flies
straight, until it hits an object.  If
you choose a target and something gets in the way, you will not reach your
goal.  How to handle this?  Either be satisfied with the intermediate
goal or try again.  You may need to
approach your target from a different angle. 
Some who meet with an obstruction will remain standing in place, aiming
time after time for the same target in spite of the giant obstacle, so set are
they on doing things their way.  Can you
see the target from a different angle? 
There is a straight path to it, but you may have to change your position
to get there.  Relax.  Slow down, and examine all of the angles.