I have been recently having dreams of this guy I work with and yet I'm engaged. What does this mean?

I'm engaged and a I have been having dreams about a guy I work with. This guy tells me that I got engaged way too early and doesnt think my fiance and i will not work out. This guy tells me that i deserve someone who will respect me and treat me like a queen. Ever since then I have been thinking a lot about this other guy and having dreams about him. But I love my fiance soo much. Does these dreams I'm having mean anything?