What is why are guys hitting on me all of a sudden?

As an AI language model, I do not have access to your personal information or experiences. However, there can be various reasons why guys are hitting on you all of a sudden. It could be because you have recently started appearing more confident and approachable, you are more active on social media, or you have started going to new places where you are meeting new people. Additionally, it could also be due to the way you dress, carry yourself, or interact with people. It is important to remember that every individual has their own reasons for hitting on someone, so it would be best to take precautions and be safe when interacting with strangers.