This is a long story, dp and I have a 20 year age gap. He has 2 children from a previous marriage. Unfortunately his wife died when the kids were 2 and 4. I met him 13 years ago when kids were 5 and 7. Now ss is 18n and sd20. We have two children of our own now bs7 and bd5. Sd doesnt live with us anymore. She lives with dps sister due to uni. Relationship with sd has never been the greatest. Saying that we used to get along better when dp was away for business. Dynamics always changed when he came home. She has also been like a mini wife and manipulated everything.