Honestly the old lady really reminds me of Professor Laniakea from Tate no Kuni, especially with how eccentric she is. Go read that manga cause that's such a goddamn good sci-fi manga.
Carbonated tomato juice... I was once offered regular tomato juice. It was dreadful, as much as I like tomatoes as they are or in salads, prepared/processed food. I can't even imagine what it would be like carbonated.