I did do 60 hrs in 2007-2010(back to work after 4 months or something) and my pay was (only) ok. I was working the hours to only keep my job(I work in a bank). There isnt many women especially married with kids in my field. My husband also did long hours. We had a huge drive - to settle our life in London. We are much better balanced now-around 50 hr/week( could be because of the banking bonus culture has weaned down hence less driven for putting more than required hours/work). I have never been (that) ambitious, I am good at what I am doing (move internal/got promotion/move external) however the last 7 yrs I have never looked for roles I need to commit and sacrifice much more of my life. I have recently said no to a very promising role which requires me to "focus" more at work. The whole family has always been working as a team, we know when someone has to focus on something(projects at work, critical reporting periods, kids music exams etc).
And yes, something has to give in, we look healthy however we are not and dont feel like so. The kids seem well-rounded, well-looked after however not completely. I went to this year school Harvest festival the first time after 6 yrs. I didnt know about book bands, school homework. My daughter has much less play date than usual. I never see the children in the morning as I leave for work very early and my husband hardly sees them in the evening. We pay hugely to childcare so havent ended up with as much savings as people with our pay would have had etc.
I recently read a book and it says 2 things which I find very true/helpful:
How/when do you keep a balanced life: think about keeping your life balanced like walking in a robe: always in balance, once you are off, you might never climb back and/or it takes much longer to ve back to the previous speed/catch up with others.
Spend the best quality time at work: at work, work all the time you work, however spend the most time at home, at home, quantity counts.(I thought opposite before)
It comes with change in family circumstances too, my friends got divorce, my husband was diagnosed with a chronicle illness, certain things have made me being ok with slowing down.