1. You post about diets.
2. Your posts are in a language I don't speak.
3. You post about gaining thousands of followers in a night, and you have a total of 34 followers.
4. You are following more than 10x the number of people who are following you.
5. You follow, unfollow, refollow, unfollow and refollow me so that I get notifications about you in my email several times a day.
6. You are any kind of spammer or bot.
7. Your posts are hidden. I don't want to request permission when I don't know what it's for.
8. You have no profile information.
9. Your profile information is inane.
10. You are sharing the love of Jesus.
11. Hate speech. Pretty much any.
12. You like Jeremy Clarkson.
Otherwise, go for it! So, follow me if you dare!