When Strength appears reversed, it can mean that moral and spiritual laws are transgressed or ignored. It could also mean that justice is not served in the right way. In the context of the question, it could indicate that Giulia has a distorted view of the relationship and does not take responsibility for behaving correctly towards her partner. Thus, one could say that Giulia is not taking interpersonal relationships seriously.
The Ace of Pentacles represents the start of something new. In the context of the question, it could indicate that Julia is ready to make a fresh start with someone. Additionally, money can be associated with financial stability and security, so there is also the idea that Giulia can feel more secure and protected in a relationship.
From the two cards it seems that Giulia is willing to start a new relationship, but that she is not taking interpersonal relationships very seriously. So, answering the question "Does Giulia love only me?", The most probable answer is no: she does not love Giulia only you, but she is open to embarking on new relationships.