Boogers

S: (Yelling up the stairs) Daniel put boogers on my nose!

Me: Where did he get them from?

S: My nose. 

Me: He got boogers from your nose and wiped them on your nose?

S: Yes!

Me: Did you ask him you stop? 

S: No. 

Me: Why don't you try that?

S: Ok. (Pause). He said yes!