Embarassing but Innocent

Thursday night I was in my pajama tank top and I had my arm above my head. Sydney moved her hand like she was going to tickle me so I quickly put my arm down. Sydney said," What is that, can I see." I replied, "It's my arm pit", as I raised my arm up. She looks at me innocently and says, " Can I pet it!" How embarassing! Needless to say, I shaved the next day and we all had a good laugh!