Question

how does shylock feel when antonio asks for some money

Answer 1

Shylock takes the chance of lending money to Antonio as to take revenge on him

Answer 2

Shylock was very happy when Antonio asked for money because he thought of a deceptive plan which he could exute on him if he was unable to repay the amount.And Hence he could his revenge from Antonio for the past grudges which he had from him.