Capulet and Tybalt discover Romeo was at the feast. Compare how both react to Romeos presence.

Tybalt is angry and confrontational.

"Now, by the stock and honour of my kin, / To strike him dead, I hold it not a sin."

Lord Capulet, however, takes a different approach and advises Tybalt to ignore him.

"Therefore be patient, take no note of him."