Read it through once

_King._ Sweet Gertrude, leave us too; For we have closely sent[4] for Hamlet hither, That he, as 'twere by accident, may here Affront Ophelia:[5] Her father and myself (lawful espials[6]), Will so bestow ourselves, that, seeing, unseen, We may of their encounter frankly judge; And gather by him, as he is behaved, If't be the affliction of his love or no That thus he suffers for.