No, living at the terminal does not mean you are rodentless (and I don’t mean gopher). In fact, there is very strong mouse support for you, and your text-only lifestyle.
If you actually sat through that whole gif, I applaud you. If you could make out what was happening, then doubly so.
Basically, gpm is a mouse daemon for consoles. Perhaps you know about it; it’s no big secret. Not like gnuit was. 😕
You’ve got both left- and right-button functions, middle button and/or mousewheel — depending of course on the application. Highlighting is (mostly) done by holding down the shift key. You can see most of the practical use there, with elinks.
But I’m guessing you know most of the basics of a mouse. 🙄
The home page suggests it’s wired for the console and for xterm, but I don’t use xterm so I’m not sure what the special benefit there is.
And take a look at the man page if you get a chance. It strikes me as odd that the default behavior for a triple-click is a system shutdown. 😯
P.S., depending on your system, you might have to manually start the gpm daemon. In Debian I think that’s taken care of for you, when you install gpm. In Arch, you’ll need
sudo systemctl start gpm. Enjoy.