Pizza is an American staple that has never been more popular. Some people have an appreciation for the Holy Trinity of cheese, tomato sauce and crust commonly beloved as pizza. Some have a love for it, and others have a borderline obsession. With a bond that strong, outsiders could mistake your love for pizza as an addiction.

Huffingtonpost.com has a theory that if it's Wednesday and you've already eaten pizza three times, you may may a pepperoni-munching monkey  on your back. 

Here are 18 additional signs you might be addicted to pizza.