Not necessarily in order...
---His stamina. Runs down every ball and defends possible winners with ease.
---His looks. Very important for someone like me

. My eyes are glued to the TV whenever he plays.
---Stays out of the limelight. Doesn't like hogging attention and just does his own work. Love his shy personality.
---Perseverance. Very hardworking and sincere in whatever he tries.
---Service. Has a nice, balanced and consistent serve which is really important. Gets out of sticky situations with a powerful ace which make me

and

how does he do it???