Oops, I did! (That’s what happens when I’m on a ten-minute work break and I have a cat that keeps meowing at me for a snack when she already just had one.)
Well, I guess you just got a refresher course on 会ってる =D
This extra って is the casual quoting と.
You can imagine it as:
「まぁたしかに『付き合ってる』ってカンジじゃないかもなー。」
In other words, a “going out” feeling.
This userscript:
All I have to do is type (for example) 付き合う and the userscript outputs 付き合う for me.