Lean your body forward slightly to support the guitar against your chest, for the poetry of the music should resound in your heart.
The advice I am giving always to all my students is above all to study the music profoundly... music is like the ocean, and the instruments are little or bigger islands, very beautiful for the flowers and trees.
Among God's creatures two, the dog and the guitar, have taken all the sizes and all the shapes, in order not to be separated from the man.