I walk in on you masturbating with a pair of panties, and initially get upset because I assume they are mine. How disgusting you are stroking to your own mother's panties! But I quickly realize they aren't my panties after all, but a pair I stole from your Aunt! You see son, mommy shares your little panty fetish, and I like sniffing my sister's panties while I masturbate too. I strip and masturbate while smelling her panties and scarf I stole from her house while you watch.