carbonhydrates

hi, I am female, 52 kg doing weightlifting 4-5 times/week. I have a personal trainer which is also my nutrionist. He upped my carbonhydrates from 140 to 250 g. A typical meal would be: 60 g cous cous 100 g white meat 200 g green veggies but this 3x day! I cant eat that big portions and so...