I go thru quite a bit of the same things, only my daughter and her biological father fight worse than siblings. She is the youngest of 6 and our only child together. She was raised as an only child as well. My oldest turned 18 when Rosie was born, and her closest sibling in age had just turned 10. She is also the only one diagnosed with high functional autism, individual disabilities, learning delayed. But unless you spend the day with her, you would never know. She is 15 and her father and her have had some real doozies, and neither one will back down and I always get stuck being the referee. I have presently started letting them both know that if they have an issue with each other they have the right to argue, but I deserve the right to not hear it, so they need to find a common ground to take it out on each other where I am not in ears length. Neither one wants to go out of their way to do so, so the arguments have become quick to dissolve. A happy wife makes for a happy life... They seem to agree to disagree, and they actually have become great talkers, not screamers. They have even recently come to an agreement to schedule their arguments as well. They will get together and go eat lunch or go for a drive together to talk out their differences. It's amazing how well things work out when we decide to not try so hard at trying to please everyone, and just let life take it's own course ... View more