Just keep increasing calories and you're bound to start gaining weight at some point. I had the same problem, I went all the way up to 5000cal a day at one point. That many calories ain't cheap though... I see that your Canadian, so am I. Meat is ****ing expensive as hell here in Canada. Luckily I live close to the US border so I usally cross over to get my chicken and stuff over there at a fraction of the price.