What you may think is normal is not to others.
Really using twizzlers as a straw is normal? I've been made fun of for that. Wearing shower shoes in a tub is normal? Normally people will go barefoot in a tub unless it's a public shower.
Biting my lips until I bleed is normal? I have a tendency to do it when I'm angry, but I do it whenever I want to feel pain. So no. Those aren't normal. Their bad or weird habits