At the beginning he says he is an escort and it like "masterbating with strangers", I think the solo sex refers to the fact that even though he is having sex with other people he isn't emotionally involved and sees it as a means to an end, so it is literally like masterbating and using the other person like a toy.
At the beginning he says he is an escort and it like "masterbating with strangers", I think the solo sex refers to the fact that even though he is having sex with other people he isn't emotionally involved and sees it as a means to an end, so it is literally like masterbating and using the other person like a toy.