How much practice should I do? Daily, dutifully. Enough each session to lose yourself. Consider it the most important thing in life, otherwise it won’t get done. My teacher used to say the only reason to miss practice is either if you’re too sick or if someone important to you desperately needs your time and energy. And if you miss a session then struggle to catch it up the next few days. It sounds childish I know, which is why formal practice is best established whilst in your twenties, whilst still a child.