5-6 days a week? Ouch! The other two already said the downside to that. . .
Anyyay, everyone's different but for getting bigger, a fast rate of progress can be 2 lean kg every two weeks (abt 4.5 lbs). Depending on your goals and eating habits of course. If you are skinny like that it usually means high metabolism, you would have to eat like a pig to get any meat to stick to you. I mean a PIG. Eat at least twice as much as you are eating now, if not more. But eat good food or else you get fat.
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