I stayed on XP until some game I wanted didn't work (by that time, 7 was out), I stayed on 7 until some game I wanted didn't work (by that time, 10 was out). Nothing bad happened to me. I'll take my chances. At least until I find the time to get into Linux, whenever that may be.
I mean, not really? Unless someone holds onto a really bad exploit until after that point, it'll be no different than going increasingly behind on updates, there's no magic switch that will be thrown that makes it more vulnerable after EOL