I did the same BUT that was a level I coulnd't stay at - too much. sleeping got worse, cravings came up and my desire to sleep with my boyfriend almost disappeared, got a bad infection. I think I was overtrained and definitely reached my limit. 2xHIIT/ week are enough for me. I do some low cardio, yoga, BW (YAYOG), cardio intervall outside on my bike, circuit training with J.Michaels dvd. I try to focus on one thing in each week having each kind of training at least one time a week. The focus changes, I don't get bored so easily and the body is challenged in different ways. I really have to listen to my body although my mind is telling me something different somatimes - DO MORE SPORTS vs. STOP- HAVE A BREAK.
Things are already changing and my boyfriend becomes happier again I hope for you that you do not step into that rat race!