i.e. since I went on the bottle. I was clearly completely starving him before - I'm obviously delighted that he is now thriving but slightly crippled with guilt about being so crap at breastfeeding that he should have been so underweight.
He still has 9 oz to go before he regains his birthweight, but at this rate he'll probably have done it by tomorrow morning.
Aughghghghghghgh