Pretty sure most of you already know this but for those who don't: you have two clipboards in Linux. One is the traditional clipboard where you copy with control c and paste with control v. The other one is when you highlight text and use the mouse middle click to paste text.
More details here.
Ditto. And sometimes I use both the Ctrl+C and middle-click clipboards at the same time, when I want to copy two chunks of text. Like this: