There is something interesting about this article. Related with how do people with a family and kids are able to focus on continuous improvement and be informed on different approaches and technology trends. A matter of priorities? Sure.
The speed of change is tremendous. At some point they become very good at something but not so good at assimilating what's new. There is no time for that in their lives.
Is it impossible? I don't think so. Is it hard? You bet.
I can't and am not judging. I'm merely stating the level of will power is huge but you guys can get there. And you can do it slower than you would if you were single and had no kids. Just take 1 step at a time and keep reading, keep experimenting. But do it.