Find at least two places where Don John expresses hostility toward Don Pedro and friends

DON PEDRO
You embrace your charge too willingly. [Turning
to Hero.] I think this is your daughter.
LEONATO
Her mother hath many times told me so.
BENEDICK
Were you in doubt, sir, that you asked her? Act 1 sc 1

I had rather be a canker in a hedge than a rose in his grace,
and it better fits my blood to be disdained of all than to
fashion a carriage to rob love from any. act 1 sc 3