After doing so well the last few months enjoying my riding, always extending my ride distance week by week I have fallen into a heap the last week. Really struggling the last couple of rides, my legs have no power like they did before and I am breathless on climbs that I could chew up easily. I weight train 3 to 4 times a week as well as 2 to 3 rides per week. I am feeling pretty down as I can't understand what is wrong. Please Help