I started it, but then I figured that I probably wouldn't give someone I didn't know a random comment on their profile. If it'd be an inconvenience or anything.
Oh, okay. I should figure out how this chat keyboard functions work.
I think you used the wrong quote button There's one in the reply thing (like a bubble speech button), and there is the one in the post you want to quote. When you use the one in the post, the person receives a notification.