Revolutionary Sex 3.0 – PDF ebook download, by Alex Allman. You usually make friends with people you like. Hopefully, this is how you spent your life- making friends with people you like. Sometimes, you have to make friends with people you dislike, mostly because you have something to gain. I really hope you don’t have too many people like this in your life. Then come my favourite friends – friends that emerge from necessity rather than common interests or genuine likability.