I dont know what's going on with my knee, never had this before. GF and I were hiking from Roaring Fork Shelter to Hot Springs (18+miles) on the 2nd day of 1st section hike. I was doing fine until we hit the last 3.2 miles into Hot Springs. It only hurts going downhill and we look like two 90yr olds coming off the mountain. That was last week, so we hiked from Max Patch Road to Groundhog Creek Shelter and did ok, got up the next AM and headed up Snowbird Mtn. Did ok, but coming down my knee started acting up again (so did my GF's knees) which is all downhill. Please, give a little input on this, because GF and I enjoy hiking. Thanks for your time. HS