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You're correct. Once I figured out that I did not have to spend hours a day at it, I felt much better, and life just gets better. I now lift on Mon/Wed/Friday, and do some form of cardio pretty much every day, but nothing too strenuous. I also took a week off around Christmas time, and never felt better.
If I were 3crowns, I would drop the length/intensity of some of the cycling, etc. Hell, might even take a week off and just rest. You will come back feeling better. Also, it might be time to re-evaluate your nutrition and calories. I've been big before, above 260lbs, and am now around 207-210lbs, and unlike before, realize it is a marathon, not a race.
Yeah breaks are super beneficial. If your body is totally jacked and your muscles are killing to the point where it would hurt to work out, take a week off or at least until you feel better. Plus, after being on a certain routine for 8-12 weeks, and you are about to switch to beat the plateau, sometimes it's good to take a week off before you switch to a new one.
And just like you said Chizzle, it's definitely not a race, but is more like a marathon. It's a long term thing.