There has been, for some reason (or more likely an unfortunate accumulation of reasons) a trend over the past several decades for parents to do the work of parenting in the isolation of their own homes - and not only that, this trend has overlapped with the other trend of much deeper parent involvement in raising kids. That you also represent trend No. 3, more people raising kids solo, has only exacerbated a close-to-no-win situation.
Carolyn HaxPlan your own vacations when you want to, and plan a suitable combined vacation with this other family when you want to. If they freak out at your planning your own vacations as you see fit, then let them. Bowing to unreasonable demands because someone will make you pay emotionally if you don't is not a healthy option.
Carolyn HaxSome people can work amid chaos or conversations, and some can't - and while there's no doubt an element of brain wiring to it, there's also the possibility of acquiring skills that improve your focus.
Carolyn HaxYour job is to be you, which includes being the chief beneficiary of all things you do right, the chief victim of all you do wrong, and the one person on Earth who has to live with every choice you make. As gatekeeper to your life, youโre it.
Carolyn Hax