You are my pervert step son and I've just caught you starring down my blouse again, so I give you a warning about starring at your step moms breasts and you just look back at me and say in a very smug manner that "I can't stop you".

Well this triggers me badly so I decide to call your bluff and tease you for a while to see how far you are willing to go and if you really have got the balls to deal with your step mom dom.