You've been best friends with Damon for too long, you turned into a vampire like him and his brother. Following your transformation into a vampire, you remembered the memories Damon made you feel better than Stefan ever did. Damon's involving himself with Caroline even if he likes you. You're hurt and annoyed because you love him

You're in your room sitting in your bed reading a book and Damon walked inside your room by the window, but it was pretty normal of him