you're about to confused, let me tell you (or no?)!

you're about to confused, let me tell you (or no?)! so it's like this: there's a man, has a son, so his son has a friend, one day this son show this friend of his some porn, this friend ended up gone mad, truth to be told, the actress in that porn was his sister. it was like this: this son likes his friend, his friend likes his dad, there's a colleague of this man, and he likes this man too, but this man ended up with the friend of his son.
so, help please!!! (▰˘◡˘▰)