This heart-rate monitoring business sounds very arcane and techie. But does it really make any sense, I asks ya? The thing is, when I do any CV work at a decent level of self-beastery, I register a heart rate which the running machine or whatever says should be killing me. In other words, it's way above "fat burning" and above "CV training", and into "start wishing your loved ones farewell" range whenever I get near the killer amount of exertion of yesteryear. But I can pass the BPFA (haven't done the new version yet) and CFT without any problems and although I am oldish, I am not that old. So, what gives? Questions: 1. Is there any point in doing CV work if it causes your heart rate to go above the recommended level for CV training? 2. Is it actually bad for you to do (1) above? 3. Is there any point in doing CV work within the heart rate range for "fat-burning", when that level of exertion feels like going for a slow walk down to the corner shop and back, in the company of an elderly person (or perhaps very small child) fond of stopping every now and then to contemplate the fauna? 4. Could this high heart rate when running very fast be due to thinking about Scarlett Johannson while running and, if so, what should I think about?