Lost in interpretation?

Last weekend, my boyfriend and I had a wonderful nature getaway before we both went back to our separate homes for spring break. Everything in the relationship has been going well so far, and we are openly expressive of how enamored of each other we are.
Last night however, I received a text from my boyfriend saying that we need to have a talk about our relationship when we see each other again, and he implied that the conversation would have negative connotations. When I asked him why, all he said was that, "It would be better in person." He hasn't responded nor elaborated since then, and my anxiety disorder is just getting to me. Should I be concerned?