There are two kinds of writing: descriptive and narrative. Descriptive writers conjure vivid images that stick with you while narrative writers weave stories that make you feel. You are a bit of both. Memories, I've learnt to picture because of the Pensieve. Love, I can picture because I love. Anxiety, though, is a hard one. You describe it perfectly and give it a visual image. Can't stress how much I loved the feel of this excerpt and I now have an image for anxiety in my head :)