Short, quick answer:
Take a look at a comic you like-- preferably a dialogue scene --and take inspo from that panel layout/pacing/etc.
Longer, better answer:
Get copies of Scott McCloud's "Understanding Comics" and "Making Comics."
Make comics, and keep making comics.
Read comics.
Make...
I think Hawkeye suffered the most from being handed between different writers with very different assumptions on what they were starting with, and where they wanted to go.
Whedon was obviously going for an Ultimates-esque take, whereas other people were keen on letting him edge closer to...
Man, watching that all happen in real time was an experience.
And then seeing it happening again with other fandoms, like She-Ra, has just been... yikes.
iirc correctly, "about arm's length" is the distance most people will view art at? That's increased, of course, for art intended for gallery settings.
But there's also a practical reason for considering how reduction affects your work. Reducing can affect quality of linework for the better. It...
The idea, I believe, would be to create an individual of a certain Pokemon species that represents the artist.
ie, the artist as a Squirtle or Charmander or whatnot.
As someone who owned a pet 'bug' for over a decade (and cried like a little girl when he finally passed), bugs are amazing critters and you should feel no shame in wanting to explore their world.
Go find a stick friend, or watch a bumblebee fail getting into a snapdragon. Or be like Doctor...
That you can't control other people.
You're not responsible for other people making bad decisions, taking risks, or hecking up their own life. There should be no guilt on your shoulders if someone else-- even someone you love and/or care about --makes poor choices.
All you can control is you.
I think the line width is absolutely fine.
You gotta consider what it's gonna look like when it's reduced; when I viewed it at 1/2-ish size (what it would display at, on most monitors), it looked nice.
I don't really have any 'proper' OCs that I've ever made art for, so I guess I'll just post up my avatar/'fursona'/whatever you'd call your artistic stand-in, when you doodle.
A protoceratops with a mood-frill. No one ever said avatars had to make sense. :V