Facebook flirt or something more?

[Tom P]

There is a way to get inside the head of your boyfriend and find out what he is thinking. It's called communication and it takes place preferable in person where you can read his non-verbal signals and see if they match his words. One can communicate directly by stating ones feelings and requesting clarification of a situation. One can communicate indirectly by throwing breakable items and screaming incoherently, but this approach is less effective.

Attraction and admiration expressed through Facebook does not mean that there is a relationship, but it doesn't rule it out either. What is more relevant is the question of history between these two. If there is little other than this mutual admiration, and he says that he loves you and not her, then you need to trust him until you have some concrete reason not to.