I worked full time for about 15 years and had a wonderful 'career.' If you call working for someone else a career. I sort of think of it as a job when I worked for someone else all the time. I was an officer in the US Army then worked for a high tech defense company as an international manager, with lots of great travel, relocations, executive apartments, company car, etc. Life was good on the career side, by my daughter needed more from me.
So I quit working about 20 years ago, and I have never ever regretted it. I have some of the nicest, well-behaved, well-mannered, athletic, musical, balanced, just great kids. But that is because I have invested a lot of time in teaching them to be wonderful, moral, upstanding citizens. I really want what is best for my kids right now, while I have the energy and time to help them develop themselves. The rest is up to them.
Perhaps I am compensating, as I personally did not have fully invested or interested parents myself, and I know how much more I could have accomplished if I had had some modicum of support at home.
I have definitely drifted away from my uber professional girlfriends, as they continue to focus on themselves, their fitness, their posessions, their vacation spots, etc.
I have never regretted being more 'there' for my kids. Ever.
And over the years, I have developed a small business anyway, and I would now never return to what I once did, prior to being a 'never' at home mom.