List of viral theories

• Red nail theory: Men will find you more attractive if you wear red nails.
• Blue nail theory: If you ask a man what your should paint your nails as next, they're more likely to respond with blue than any other color.
• Olive theory: If one of you likes olives but the other hates olives, you are meant for each other. Originates from How I Met Your Mother.
  
• Invisible string theory: If you heard of the red thread of fate from Chinese mythology, it's literally just that.
• Comfy clothes theory: People are more likely to come up to you at bars if you wear comfortable clothes.
• Hair theory: Your hairstyle alone will change how you are perceived by others.
• Shoe theory: If you gift someone shoes, you will eventually have a falling out with them. Doesn't have to be romantic.