you could also try and set a base level by asking if they understand the science in regards to what is a male and a female. Make them state the biology,, it is much easier to get in there head if you make them say it,, also Make sure you state understand not believe the science. just a thought

Thats way to long. You smack the fuck out of them and tell them to watch kindergarten cop. Tells me everything they need to know about life