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1. Depends on your metabolic rate. Different for everyone. Work out how many calories you need to maintain your weight and then tweak depending on if you want to gain/lose weight.

2. Dirty bulking...

Carbs are pretty important when training that hard

You eat no carbs at all? I'm guessing this is temporary

I have a fast metabolism too. The best thing to do is to keep cardio at a minimum and eat lots of carbs and protein. Make sure you're in a caloric surplus (taking in more calories than you're...