Balance is not always 50:50.
It sometimes 30:70
Maybe 60:40
Even 20:80
Or 34.73:65.27
It's more about doing the most important things more efficiently (even sometimes that one thing only) rather than doing everything equally.
Sometimes even after putting in all your efforts on one thing with singular focus. You're still bound to fail.
So what pushes you even after that failure...
It's the thing that you love.
Many of you have know that only less than 5% population in india, pays taxes. But there is reason for it. According to this economic times report, only 1.8 crore people earn more than 5 lakhs annually (~2%). And if you earn less than 5 lakhs, you leg