Omg are you serious?
I have gone to school with concert musicians like Zuill Bailey and Sarah Chang who was my ex boyfriend's bestie. I went to the same music school growing up as Rachel Barton.
I'm going to tell you about them. They practices nonstop because they love playing. But they also had lives. As long as you do not lose that desire and your goals and ambitions, you can in fact have a life. What will happen is that they will miss it more than anything
You have to have a life- it's the long game of having a career if that's the ambition, not just being a "serious" musician!