If he actually weighs 110kg he will be eating 3, 080 calories to maintain his extra flesh and he thus needs to make a permanent cut of 786 calories from his daily diet if he is to get back to the 70kg desideratum.
Jake Gyllenhaal grazes off walls in parkour style, but the movement is cut into tiny pieces and reassembled through editing, and it loses the beauty of parkour in the flesh.