These days it's all about branding, we're reliably told - and it seems that can extend even to the most intimate of friendships and groups.
Now, some clever sociologists working for Chivas Regal have had a look at male friendship groups and written a massive scary-looking report.
In a nutshell, they've come up with six categories, into which each and every chap can be slotted. You thought you were just a normal bloke? Think again. Thought you were an eccentric individual who broke the mould of mankind? Forget it. Apparently, you're one of the following (and I imagine there's a female equivalent to all of these, too).
So, with the aid of the laboratory, here are the categories and three helpful examples of each....
Do you agree with the boffins? Let us know. And you can read the whole report here at www.chivasfriendshipreport.com