1:You can't say the letter P without separating your lips 
 2:You just attempted to do it 
3:You are laughing at yourself 
5:You have a smile on your face and you skipped number 4
6: You just checked to see if there was a number 4
 7:You laugh at this because you fell for it and everyone else did too

I am not the original creator of this, if you are,  thank you very much!