Student Exchange Programs

Ever since we have had an exchange student staying with us he has hardly talked to me he just talks to her…anyway today I went out there cause she was in her room so I thought maybe he wouyld stop ignoring me and he asked me why I was there and then told me im a dork.Then when I went back to my room about an hour later he said sorry to me and now he is watching tv with the exchange student.what should I do?