sometimes i forget that my other computer really is another computer and that I can't just move my mouse over to the other screen
@azushark solution: set up a vm with a wide desktop with half being visible on one and half on the other.
(i dont actually know if this would work, but that's my best guess)
Unsolicited software advice
@azushark You know, there are ways of making that work, running multiple computers with one kb+mouse and just moving the cursor from sceen to screen. The best known is called Synergy. I used to use it all the time before I switched to using a single computer. https://symless.com/synergy
this is how it be