The worst that can happen is definitely that they say no. And if they do, it won’t be because they don’t like you or your writing – they trust you to beta their work, which says they respect your judgement and consider you a good enough writer to point out the problems with their work!
I actually completely understand your nerves though. One of my jobs IRL is actually an editorial one, and even the academics I edit for feel nervous about talking to us! It’s such an intimate thing to ask of someone, and it takes so much time to edit well, so establishing that relationship is sometimes really fraught.
Here’s the good thing: you’ve already got that relationship. You and your friend already both understand how much work goes into editing, and so if they say they can’t do it, it’s definitely because they don’t have time (or possibly skill). There are people who are great writers, but not good editors. It’s to those people’s credit when they realize that they can’t do a good job editing and thus don’t take it on. If your friend refuses, it’s 100% about them, not about your work.
If it’s the way to ask that you’re worried about specifically, here’s a script for you. “I’ve really enjoyed beta’ing for you. I’m actually working on fic right now and I was wondering if you’d be willing to do the same for me. If not, I completely understand!” Short, to the point, and lets them know you get what you’re asking!
You’ve got this!


















