Me(f30) and my bf (m32) got into a fight over semantics

I’ve been with my boyfriend for 5 years, and one part about our connection that I’ve really struggled with is him arguing semantics with me. Typically when he does so it drifts from the actual point of what I’m talking about, and it drives me absolutely nuts.

I’ll use today as an example.

I had a really rough day today. What was supposed to be a quick imaging appointment turned into a complicated 2 hour debacle where they needed to give me an IV. I have vasovagal and ended up fainting. Real fun time.

On top of this, I try to avoid driving unless it’s to familiar places. I didn’t get my license until a few years ago (traumatic childhood accident). Im fine going to work/shopping because it’s habitual for me now. However today I had to drive into a dense, unfamiliar populated city. A car ran a red light and I almost got into an accident. Spilled an entire coffee on myself. Ended up pulling into a parking lot and crying, life has just been a lot for me lately. Kept it brief because immediately after this I had to go to work.

I couldn’t wait to come home and relax and tell my bf about my day and get some comfort. Except it didn’t happen.

After I filled him in on today’s happenings he says, “wasn’t your appointment like 30 minutes away?” I’m like “yeah?” And he goes, “well that’s not far.” And so I remind him, “yeah I know it’s not far for most people, but for me it is”. And he goes, “well it isn’t far for normal people, that’s like a daily commute.”

I explain I don’t think it really is the point I was trying to make (that it was stressful for me). Yet he pulls up google and asks me for the address to my appointment. I don’t engage in this and he starts googling locations and asking me if they are the correct one.

At this point I’m starting to get frustrated, and I tell him that I just wanted to vent about my day and be offered some comfort. He just sort of blinks at me, ignores me, and keeps googling.

He finds the place. Then asks AI if that distance would be considered “far” to most people. Points it to me and then picks his phone back up to continue playing games. Silence.

I ask him if the conversation is done and he says, “well yeah because you’re refusing to engage with what I’m saying.” I tell him that I didn’t want to debate semantics over whether my experience had validity. He told me sorry, that he’s just a “very logical person who likes to get facts straight” and I “shouldn’t subject him to expectations.”

Am I wrong for feeling like this became way more complicated than it needed to be? He went to sleep on the couch and I’m feeling lost as to how we got to this place.

I get some will say “maybe he’s annoyed you don’t like driving”. But between us, I do most of the driving.
He is WFM and I commute daily. I usually do the grocery shopping by myself and run errands. I am just not at the point where I’m comfortable on long trips or merge heavy highways. When he met me I wouldn’t even get behind the wheel, so I think I’ve made a big improvement.

This is not a one-off. It happens in a lot of my storytelling/venting experiences with him. I feel as though I have to watch what I say and speak articulately as to avoid the conversation getting derailed by a tangent that has nothing to do with the point. Grammar is a big one. I could be sobbing about a dead family member and he would be holding up a sound clip to point out correct pronunciation of the word crematorium.

Is it wrong of me to not want to engage in arguing them? Is it best to walk away/change the subject? Or am I being rude by dismissing something he wants to talk about?

TLDR; my bf often engages in arguing semantics with me when I’m telling him about something. I’ve expressed that I don’t like it, but it’s almost like it’s compulsive and he can’t stop. I’m looking for advice and perspective on what to do when he gets into it.