Disturbing but arousing sexual dream

[Schafercm]

Ok well it started normal and my cousin came down to visit me my and wife and the boys on vacation for a couple of days well one one night the three of us went out and and had a few drinks and something to eat and then we came back to houes to drink some more and we got to.the point where we were all feeling frisky and horny and ended up in our room haveing a threesome and then all of a sudden my two boys walk in and started watching us while they played with them selves and thats when i woke up sweating and freaking out. Can any body tell me what this dream is about because i have had it twice both times wakeing really fast.