What does this caesura say about friar and Juliet?

“Hold, then. Go home; be merry; give consent/ To marry Paris. Wednesday is tomorrow./ Tomorrow night look that thou lie alone;/ Let not the Nurse lie with thee in thy chamber./ Take thou this vial, being then in bed,/ And this distilling liquor thou off;/ When presently through all thy veins shall run/ A cold and drowsy humor; for no pulse/ Shall keep his native progress, but surcease”