I've seen some guitarists with some chubby fingers who could really tear it up. I don't think this matters. No one guitar player has the same hands, but its interesting how the hands figure out their own posture and take to the neck. Congrats on getting into guitar, and you seem very excited about it. With that attitude you'll learn a lot. Just devour all of the knowledge that's out their, you'll have a lot of fun doing it. There's also plenty of good and free guitar lessons that you can fin if you do some searching around.

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