Been with DP over 3 years now, I have 2 teenage kids, he has a 10 yr old. He's been split from his ex for 8 years so SS has never known his dad to have a girlfriend. We'd been together about 9 months before starting to introduce kids etc, took things very slowly but SS is still very resistant to me. Well, he's happy to join in the fun family things like days out and holidays but just coming round for dinner or staying over at weekends for no specific reason he kicks up about most times. He shares a room with my youngest, has his own bed and own cupboard for his things so it's not like he's sleeping on a camp bed and being treated like a visitor.
There's been times when DP has been held up at work so I've picked SS up from home and he's refused to come with me, screaming shouting throwing tantrums.
His mum's been ill lately and DP said that SS would possibly have to stay at mine during the week (DP cant do morning school run so would need to be me) and he refused saying that if his Dad made him he'd never want to see him again. (I do understand that he's worried about his mum and unsettled with changes)
His Dad and I would like to move in together after Xmas but done see how we can if SS is going to continue to resist.
Can someone give some reassurance that it will get better? Or any ideas how to make things better?