User blog comment:Civic42/Teaching a friend to last hit./@comment-169.235.89.112-20120114021916/@comment-4434378-20120114023104

Yeah he just needs practce playing in realistic settings and be responsive to criticism.

Alternative: force him to watch a good streamer, like Guardsmen Bob. He tends to be fairly informative, and you can always point out the things Bob does to win lane.