sigthful watch

Is a novel about mart who never had the courage to confront a girl whom he loves so much but keeps dying within himself........Gets annoyed seeing her with other guys but had not yet told her his feelings.
Mart really has the heart to love but does not have the courage to confront the one he loves so much...Harry his friend whom he beat up for dancing with chinny...did he ever confront her? .....
What really happened ?if he did confront her where did he get the gusto from...