Tried over the summer to potty train ds2 and although he was often dry at night (so clearly had bladder control) and would go on the potty every time if I left him bare bottomed, as soon as I put pants or trousers on him, he would wee in them. After 6 weeks of this I decided to put him back in (cloth) nappies and wait for him to want to do it himself.
Trouble is I am now 30 weeks pg and exhausted. Really wanted to potty train him before dc3 is born cos I am changing 7 or 8 cloth nappies a day and just can't face the thought of having 2 in nappies again. It's so frustrating because I KNOW he can do it, he just won't co operate. He is not motivated by stickers or any of that type of thing. I tried bribing him with chocolate back in the summer to no avail.
Anyway this evening he had gone in the other room whilst I was getting ds1 out of the bath and then came back in and announced he had done a poo and I just lost it and shouted at him and asked him why he had done it in his nappy and he just said "because I thought it was nice". I feel awful but I really shouted back, something along the lines of "well it's NOT nice, it's DIRTY" etc. 
I wish I could be laid back about it all and I have been doing really well the last couple of months but the last couple of weeks have been really hard, it is doing my back in to be manhandling a large 2.9 yo in and out of nappies and trousers (they are quite a tight fit over cloth nappies) 7 times a day. I don't know where to go from here. Any advice would be appreciated. I know I should probably leave it but it really is physically exhausting me now and I can't see how it will be any easier once there is a baby in the house as well. 