e.g. "the electrician just dropped a cable cutter on my foot!" vs "an electrician dropped a cable cutter on our foot yesterday!"
I also use both—usually plural pronouns to refer to bodily things, system-wide things, or things that we are feeling since we all share one brain, and singular pronouns to refer to specifically myself if I'm having a specific reaction to something or need to be distinguished from the rest of our system.
Logan, of course, uses exclusively singular pronouns anyway, because he's a derp~