Step son! If you get chance to fuck your stepmom's ass then why not fuck it with dirty talk?

My stepmom have beautiful ass i had a wish to fuck in her ass hole. one day my step dad was out of home so it was a lucky day for me. she was resting in her room without clothes. i started sexual conversation with her and i feel she is ready to fuck with me. i said that i have a wish to fuck you ass hole she said i also want someone fuck in my ass hole. then i put oil on her ass and massage then i start dirty talk and fuck in her ass hole it was amazing.