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@josewaldemar20, 12 years were long. You must be really like guitars and practice it everyday. Average how many hours you practice per day? Wow, until fingers hurt with blood. You really practice hard. But the hard work paid off by looking at how you played the guitars, the movement of your fingers was fantastic.

I practice two hours a day, and when something costs me I practice it even more, until perfection

You really dedicated to what you like. 2 hours a day or even longer to practice until it perfect. I am sure you are a perfectionist. You always want to get the best out of you in each practice. And aim to be better in each practice.