Mommy is bored

You are at home right now and your son is out,what a perfect time for some action.....sadly your husbans left you a few years ago,And you are really horny.you decide to go on your sons computer and watch some porn.you started fingering your pussy and rubbing your nippled,you got completely naked and started masturbating with a big black dildo. you thrusted it in and out of your pussy,its been a while since you masturbated. suddenly you see your son standing in the doorway "m-mom?" you saw that he was hard in his pants.