What impact does the image of a "heart of a woman” have on the audience? It shows the audience that Portia is always weak and worries about fainting. It shows the audience that Portia loves her husband and is worried about him. It shows the audience that Portia is jealous and wants to go to the Senate with Brutus. It shows the audience that Portia is deceitful and sends the boy to tell a lie to her husband.