For all the (often, exasperated) talk about how "parents these days" are raising "kids these days" to be spoiled, unruly brats, many parents of our generation are actually succeeding at what researchers have found is the most effective parenting style: authoritative parenting. Authoritative parenting combines the warmth and support permissive parents show, with the structure and consistency that authoritarian parents provide, without the downsides of either of those styles. In my own experience, it's not only a better way to raise kids, there are ways authoritative parenting actually helped my relationship with my partner.
None of our relationships exist in a vacuum, because none of us have spare selves to devote to each of the significant people in our lives. I don't have an extra self to give to my husband once I'm done with our kids during the day, and another self to share with my friends and colleagues, or another self to spend time with my sister and my extended family. I'm just one, whole me, so the things I do with my kids affect how much energy I have to spend with the other people in my life, and vice versa. Same goes for the skills I learn to handle my responsibilities to all the various people in my life.