it also helps to sit up straight and breath deeply while looking at the ground and pushing down and back on your shoulders and smiling- it realeases tension, prevents the death grip crouch of desperation, and assures adequate air to keep the legs moving. REmember the top of thehill will still be there whenever you get there so unless you are in a race, there is absolutely no reason to speed, focus more on endurance and and enjoyment and less on suffering and dreading.