Having a healthy work-life balance is a sign of success in itself. If you have more quality time to spend then its a success.
If you're learning new skills and growing. Then these experiences really make you successful.
Being yourself and have confidence being the real you, is real success in life.
Having strong relationships is truly a blessing. It makes you a emotionally successful person.
Being kind and empathetic towards others also makes you successful then your friends.
The key to happiness and success in life is to be content with what you have while working towards your goal.